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<\/span>\u0e17\u0e48\u0e2d\u0e40\u0e08\u0e32\u0e30 \u00a0API<\/strong> 5A N80<\/strong><\/a> \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d \u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e42\u0e14\u0e22\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e02\u0e19\u0e2a\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e43\u0e19\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e42\u0e14\u0e22 American Petroleum Institute (API) \u0e42\u0e14\u0e22\u0e22\u0e36\u0e14\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e43\u0e19\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e15\u0e48\u0e32\u0e07\u0e46<\/p>\n
API 5A N80 \u0e2b\u0e21\u0e32\u0e22\u0e16\u0e36\u0e07\u0e40\u0e01\u0e23\u0e14\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e20\u0e32\u0e22\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14 API 5A \u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e21\u0e32\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07\u0e16\u0e36\u0e07\u0e2a\u0e39\u0e07 \u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e01\u0e14\u0e14\u0e31\u0e19 \u0e08\u0e31\u0e14\u0e2d\u0e22\u0e39\u0e48\u0e43\u0e19\u0e01\u0e25\u0e38\u0e48\u0e21\u0e0b\u0e35\u0e23\u0e35\u0e2a\u0e4c “N” \u0e0b\u0e36\u0e48\u0e07\u0e1a\u0e48\u0e07\u0e1a\u0e2d\u0e01\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e2a\u0e39\u0e07\u0e01\u0e27\u0e48\u0e32\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e40\u0e01\u0e23\u0e14\u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32 \u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14 “80” \u0e1a\u0e48\u0e07\u0e1a\u0e2d\u0e01\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e02\u0e2d\u0e07\u0e1c\u0e25\u0e1c\u0e25\u0e34\u0e15\u0e02\u0e31\u0e49\u0e19\u0e15\u0e48\u0e33\u0e17\u0e35\u0e48 80,000 psi \u0e42\u0e14\u0e22\u0e40\u0e19\u0e49\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07<\/p>\n
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\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e17\u0e48\u0e2d\u0e40\u0e08\u0e32\u0e30 API 5A N80 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d \u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e41\u0e2a\u0e27\u0e07\u0e2b\u0e32\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e01\u0e31\u0e14\u0e17\u0e35\u0e48\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22 \u0e01\u0e32\u0e23\u0e22\u0e36\u0e14\u0e21\u0e31\u0e48\u0e19\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14 API \u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d \u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e17\u0e35\u0e48\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22 \u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e01\u0e49\u0e32\u0e27\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22\u0e35\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e17\u0e49\u0e32\u0e17\u0e32\u0e22\u0e21\u0e32\u0e01\u0e02\u0e36\u0e49\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07 \u0e40\u0e0a\u0e48\u0e19 API 5A N80 \u0e08\u0e30\u0e22\u0e31\u0e07\u0e04\u0e07\u0e40\u0e15\u0e34\u0e1a\u0e42\u0e15\u0e15\u0e48\u0e2d\u0e44\u0e1b \u0e42\u0e14\u0e22\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e19\u0e27\u0e31\u0e15\u0e01\u0e23\u0e23\u0e21\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e43\u0e19\u0e14\u0e49\u0e32\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e33\u0e23\u0e27\u0e08\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b<\/span><\/h1>\n
\n\u0e04\u0e33\u0e41\u0e19\u0e30\u0e19\u0e33\u0e17\u0e35\u0e48\u0e04\u0e23\u0e2d\u0e1a\u0e04\u0e25\u0e38\u0e21\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e1b\u0e25\u0e2d\u0e01\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d api n80<\/strong><\/a>: \u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e1b\u0e23\u0e30\u0e42\u0e22\u0e0a\u0e19\u0e4c\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b<\/p>\n
<\/span>API N80 \u0e41\u0e25\u0e30 l80<\/strong><\/a><\/strong><\/a> \u0e40\u0e1b\u0e47\u0e19\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e41\u0e1e\u0e23\u0e48\u0e2b\u0e25\u0e32\u0e22\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e27\u0e31\u0e2a\u0e14\u0e38\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e42\u0e14\u0e22 American Petroleum Institute (API) \u0e1c\u0e48\u0e32\u0e19\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e43\u0e19\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d \u0e41\u0e25\u0e30\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07<\/span><\/h1>\n
\n sa-179<\/strong><\/a><\/p>\n
\u0e1b\u0e25\u0e2d\u0e01\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d API N80 \u0e02\u0e36\u0e49\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e43\u0e19\u0e14\u0e49\u0e32\u0e19\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e17\u0e32\u0e07\u0e01\u0e25\u0e17\u0e35\u0e48\u0e22\u0e2d\u0e14\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21\u0e41\u0e25\u0e30\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e1c\u0e25\u0e34\u0e15\u0e02\u0e36\u0e49\u0e19\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e04\u0e32\u0e23\u0e4c\u0e1a\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e2d\u0e31\u0e25\u0e25\u0e2d\u0e22\u0e14\u0e4c\u0e15\u0e48\u0e33 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e2a\u0e39\u0e07\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07\u0e16\u0e36\u0e07\u0e2a\u0e39\u0e07 \u0e40\u0e2b\u0e25\u0e47\u0e01 N80 \u0e21\u0e35\u0e04\u0e38\u0e13\u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e40\u0e14\u0e48\u0e19\u0e04\u0e37\u0e2d\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e01\u0e27\u0e48\u0e32\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e2d\u0e37\u0e48\u0e19\u0e46 \u0e43\u0e19\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e19 \u0e40\u0e0a\u0e48\u0e19 J55<\/strong><\/a> \u0e41\u0e25\u0e30 K55<\/strong><\/a> \u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07\u0e19\u0e35\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e43\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15<\/p>\n
\u0e43\u0e19\u0e17\u0e33\u0e19\u0e2d\u0e07\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e19 \u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d API L80 \u0e01\u0e47\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14 api 5CT<\/strong><\/strong><\/a> \u0e40\u0e0a\u0e48\u0e19\u0e01\u0e31\u0e19 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32 L80 \u0e21\u0e35\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e17\u0e32\u0e07\u0e01\u0e25\u0e17\u0e35\u0e48\u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e02\u0e2d\u0e07\u0e1c\u0e25\u0e1c\u0e25\u0e34\u0e15\u0e17\u0e35\u0e48\u0e2a\u0e39\u0e07\u0e02\u0e36\u0e49\u0e19 \u0e0b\u0e36\u0e48\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e43\u0e19\u0e2b\u0e25\u0e38\u0e21\u0e40\u0e08\u0e32\u0e30\u0e17\u0e35\u0e48\u0e17\u0e49\u0e32\u0e17\u0e32\u0e22\u0e21\u0e32\u0e01\u0e02\u0e36\u0e49\u0e19 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e40\u0e01\u0e23\u0e14\u0e19\u0e35\u0e49\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e32\u0e23\u0e2d\u0e1a\u0e0a\u0e38\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e17\u0e32\u0e07\u0e01\u0e25 \u0e08\u0e36\u0e07\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e15\u0e48\u0e32\u0e07\u0e46<\/p>\n
\u0e17\u0e31\u0e49\u0e07\u0e1b\u0e25\u0e2d\u0e01\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d N80 \u0e41\u0e25\u0e30 L80 \u0e21\u0e35\u0e08\u0e33\u0e2b\u0e19\u0e48\u0e32\u0e22\u0e43\u0e19\u0e02\u0e19\u0e32\u0e14\u0e41\u0e25\u0e30\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e15\u0e23\u0e07\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30 \u0e1e\u0e27\u0e01\u0e40\u0e02\u0e32\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e43\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e48\u0e33\u0e40\u0e2a\u0e21\u0e2d\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e38\u0e13\u0e20\u0e32\u0e1e\u0e19\u0e35\u0e49\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e2b\u0e25\u0e38\u0e21\u0e40\u0e08\u0e32\u0e30\u0e41\u0e25\u0e30\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e01\u0e32\u0e23\u0e23\u0e31\u0e48\u0e27\u0e44\u0e2b\u0e25\u0e2b\u0e23\u0e37\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e25\u0e49\u0e21\u0e40\u0e2b\u0e25\u0e27\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19<\/p>\n
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8%E0%B8%B2%E0%B8%B0%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%97%E0%B9%89%E0%B8%B2%E0%B8%97%E0%B8%B2%E0%B8%A2\"><\/span>API N80 \u0e41\u0e25\u0e30 L80 \u0e40\u0e1b\u0e47\u0e19\u0e40\u0e01\u0e23\u0e14\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e40\u0e04\u0e2a\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e19\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e2a\u0e2d\u0e07\u0e40\u0e01\u0e23\u0e14\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e42\u0e14\u0e22\u0e41\u0e15\u0e48\u0e25\u0e30\u0e40\u0e01\u0e23\u0e14\u0e21\u0e35\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07 API N80 \u0e41\u0e25\u0e30 L80 \u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30<\/p>\n<p>\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e41\u0e23\u0e01 API (American Petroleum Institute) \u0e01\u0e33\u0e2b\u0e19\u0e14\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e1a\u0e48\u0e2d\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e1b\u0e25\u0e2d\u0e01\u0e17\u0e48\u0e2d \u0e17\u0e31\u0e49\u0e07 N80 \u0e41\u0e25\u0e30 L80 \u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e23\u0e30\u0e1a\u0e38\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49 API 5CT \u0e0b\u0e36\u0e48\u0e07\u0e2a\u0e23\u0e38\u0e1b\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2b\u0e25\u0e38\u0e21<\/p>\n<p>\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d API N80 \u0e02\u0e36\u0e49\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e43\u0e19\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e30\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e42\u0e14\u0e22\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e08\u0e30\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e2b\u0e25\u0e38\u0e21\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07\u0e41\u0e25\u0e30\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e44\u0e14\u0e49\u0e14\u0e35 \u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e2a\u0e35\u0e22\u0e23\u0e39\u0e1b\u0e44\u0e14\u0e49\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e41\u0e25\u0e30\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 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\u0e0a\u0e48\u0e27\u0e22\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e27\u0e48\u0e32\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e1b\u0e25\u0e2d\u0e01 N80 \u0e41\u0e25\u0e30 L80 \u0e15\u0e23\u0e07\u0e15\u0e32\u0e21\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e43\u0e19\u0e14\u0e49\u0e32\u0e19\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e17\u0e32\u0e07\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e17\u0e32\u0e07\u0e01\u0e25 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e41\u0e21\u0e48\u0e19\u0e22\u0e33\u0e02\u0e2d\u0e07\u0e02\u0e19\u0e32\u0e14 \u0e1c\u0e39\u0e49\u0e1c\u0e25\u0e34\u0e15\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e15\u0e32\u0e21\u0e41\u0e19\u0e27\u0e17\u0e32\u0e07\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1c\u0e25\u0e34\u0e15\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e17\u0e35\u0e48\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49\u0e0b\u0e36\u0e48\u0e07\u0e15\u0e23\u0e07\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e14\u0e49\u0e32\u0e19\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b\u0e17\u0e31\u0e48\u0e27\u0e42\u0e25\u0e01<\/p>\n<p>\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e41\u0e21\u0e49\u0e27\u0e48\u0e32\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e1b\u0e25\u0e2d\u0e01 API N80 \u0e41\u0e25\u0e30 L80 \u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e04\u0e25\u0e49\u0e32\u0e22\u0e04\u0e25\u0e36\u0e07\u0e01\u0e31\u0e19\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e43\u0e19\u0e41\u0e07\u0e48\u0e02\u0e2d\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e01\u0e23\u0e48\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19 \u0e41\u0e15\u0e48\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a \u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19 \u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07 N80 \u0e41\u0e25\u0e30 L80 \u0e02\u0e36\u0e49\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e01\u0e31\u0e1a\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e0a\u0e48\u0e19 \u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e44\u0e27\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e0b\u0e31\u0e25\u0e44\u0e1f\u0e14\u0e4c \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1e\u0e34\u0e08\u0e32\u0e23\u0e13\u0e32\u0e15\u0e49\u0e19\u0e17\u0e38\u0e19\u0e42\u0e14\u0e22\u0e23\u0e27\u0e21 \u0e1c\u0e39\u0e49\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e43\u0e19\u0e1a\u0e48\u0e2d\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e15\u0e49\u0e2d\u0e07\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e2d\u0e1a\u0e04\u0e2d\u0e1a\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e17\u0e33\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e2a\u0e34\u0e19\u0e43\u0e08\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e41\u0e25\u0e30\u0e21\u0e35\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e22\u0e32\u0e27\u0e19\u0e32\u0e19 \u0e43\u0e19\u0e02\u0e13\u0e30\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e19\u0e01\u0e47\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d<\/p>\n<p>\u0e17\u0e49\u0e32\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e41\u0e25\u0e49\u0e27 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e08\u0e30\u0e43\u0e2b\u0e49\u0e01\u0e23\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e1b\u0e25\u0e2d\u0e01\u0e2b\u0e38\u0e49\u0e21\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e27\u0e48\u0e32\u0e08\u0e30\u0e15\u0e2d\u0e1a\u0e2a\u0e19\u0e2d\u0e07\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e44\u0e14\u0e49 \u0e01\u0e32\u0e23\u0e2a\u0e33\u0e23\u0e27\u0e08\u0e41\u0e25\u0e30\u0e1c\u0e25\u0e34\u0e15\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b\u0e2a\u0e21\u0e31\u0e22\u0e43\u0e2b\u0e21\u0e48 \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07 API N80 \u0e41\u0e25\u0e30 L80 \u0e1c\u0e39\u0e49\u0e21\u0e35\u0e2a\u0e48\u0e27\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e48\u0e27\u0e19\u0e40\u0e2a\u0e35\u0e22\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e44\u0e14\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e17\u0e35\u0e48\u0e17\u0e49\u0e32\u0e17\u0e32\u0e22<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nAPI N80 and L80 are two commonly used grades of <a href=\"\/tag\/tubing\" target=\"_blank\"><strong><strong>Tubing<\/strong><\/strong><\/a> and <a href=\"\/tag\/casing\" target=\"_blank\"><strong>casing<\/strong><\/a> in the <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong>oil<\/strong><\/a> and Gas<\/strong><\/a> industry, each with distinct properties and applications. Understanding the differences between API N80 and L80 is crucial for selecting the right <a href=\"\/tag\/material\" target=\"_blank\"><strong>Material<\/strong><\/a> for drilling operations.<\/p>\n<p>Firstly, API (American Petroleum Institute) sets standards that govern the manufacturing and usage of oilfield equipment, including tubing and casing. Both N80 and L80 are specified under API 5CT, which outlines the technical specifications for <a href=\"\/tag\/casing-and-tubing\" target=\"_blank\"><strong>casing and tubing<\/strong><\/a> used in wells.<\/p>\n<p>API N80 tubing and casing are known for their <a href=\"\/tag\/high-strength\" target=\"_blank\"><strong>High strength<\/strong><\/a> and resistance to corrosion. They are typically used in wells where moderate strength and good <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a> are required. N80 tubing and casing can withstand a certain amount of stress and deformation during drilling and production processes, making them suitable for various challenging environments.<\/p>\n<p>On the other hand, API <a href=\"\/tag\/l80-tubing\" target=\"_blank\"><strong>l80 tubing<\/strong><\/a> and casing offer similar strength properties to N80 but with enhanced resistance to sulfide stress cracking. This makes L80 a preferred choice in wells where conditions may lead to sulfide stress cracking, a phenomenon that can compromise the integrity of the casing or tubing over time.<\/p>\n<p>When selecting between API N80 and L80, several factors come into play. The specific conditions of the well, including depth, pressure, temperature, and the presence of corrosive elements, must be carefully evaluated. For wells prone to sulfide stress cracking, L80 is often recommended despite its slightly higher cost compared to N80, as it provides greater reliability and longevity under such conditions.<\/p>\n<p>In terms of mechanical properties, both N80 and L80 exhibit similar tensile and yield strengths, ensuring they can withstand the mechanical stresses encountered during drilling and production. However, the metallurgical differences between the two grades affect their performance in corrosive environments, influencing their suitability for different well conditions.<\/p>\n<p>It’s also essential to consider the manufacturing processes and quality control measures employed for both grades. API specifications ensure that N80 and L80 tubing and casing meet stringent standards for chemical composition, mechanical properties, and dimensional accuracy. <a href=\"\/tag\/manufacturers\" target=\"_blank\"><strong>Manufacturers<\/strong><\/a> follow these guidelines to produce reliable products that meet the demanding requirements of oil and gas operations worldwide.<\/p>\n<p>In summary, while API N80 and L80 tubing and casing share many similarities in terms of strength and durability, their distinct properties make them suitable for different operational environments. Choosing between N80 and L80 depends on factors such as corrosion resistance requirements, susceptibility to sulfide stress cracking, and overall cost considerations. Oilfield operators and engineers must carefully evaluate these factors to make informed decisions that optimize well performance and longevity while ensuring safety and reliability.<\/p>\n<p>Ultimately, API standards provide the framework for selecting the right tubing and casing materials, ensuring that they meet the rigorous demands of modern oil and gas exploration and production. By understanding the differences between API N80 and L80, stakeholders can effectively manage risks and enhance operational efficiency in challenging drilling environments.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e17\u0e48\u0e2d\u0e40\u0e08\u0e32\u0e30 \u00a0<strong>\u00a0API<\/strong> 5A <a href=\"\/tag\/n80\" target=\"_blank\"><strong>N80<\/strong><\/a> \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e17\u0e48\u0e2d\u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d \u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e42\u0e14\u0e22\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e02\u0e2d\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e17\u0e35\u0e48\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e02\u0e19\u0e2a\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e43\u0e19\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30 \u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e42\u0e14\u0e22 American Petroleum Institute (API) \u0e42\u0e14\u0e22\u0e22\u0e36\u0e14\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e43\u0e19\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e02\u0e38\u0e14\u0e40\u0e08\u0e32\u0e30\u0e15\u0e48\u0e32\u0e07\u0e46 API 5A N80 \u0e2b\u0e21\u0e32\u0e22\u0e16\u0e36\u0e07\u0e40\u0e01\u0e23\u0e14\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e20\u0e32\u0e22\u0e43\u0e19\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14 API 5A \u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e21\u0e32\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07\u0e16\u0e36\u0e07\u0e2a\u0e39\u0e07 \u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e01\u0e14\u0e14\u0e31\u0e19 \u0e08\u0e31\u0e14\u0e2d\u0e22\u0e39\u0e48\u0e43\u0e19\u0e01\u0e25\u0e38\u0e48\u0e21\u0e0b\u0e35\u0e23\u0e35\u0e2a\u0e4c “N” \u0e0b\u0e36\u0e48\u0e07\u0e1a\u0e48\u0e07\u0e1a\u0e2d\u0e01\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e2a\u0e39\u0e07\u0e01\u0e27\u0e48\u0e32\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e40\u0e01\u0e23\u0e14\u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32 \u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14 “80” \u0e1a\u0e48\u0e07\u0e1a\u0e2d\u0e01\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e02\u0e2d\u0e07\u0e1c\u0e25\u0e1c\u0e25\u0e34\u0e15\u0e02\u0e31\u0e49\u0e19\u0e15\u0e48\u0e33\u0e17\u0e35\u0e48 80,000 psi 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