Tubing thread gauges are measuring tools for checking connection threads of oil tubing and couplings. Based on the type of oil tubing, the gauges are classified into non-upset tubing thread (TBG) and external-upset tubing thread (UP TBG).
TECHNICAL PARAMETERS OF TUBING THREAD GAUGES
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不加厚油管螺纹量规 External-upset thread gauges |
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规格 Specification in(mm) |
扣数 Number of Tthreads/in(螺距Pitch) |
锥 度 Taper（in/ft） |
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1.050(26.7) |
10(2.54) |
1:16(3/4) |
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1.315(33.4) |
10(2.54) |
1:16(3/4) |
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1.660(42.2) |
10(2.54) |
1:16(3/4) |
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1.990(48.3) |
10(2.54) |
1:16(3/4) |
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2 3/8(60.3) |
10(2.54) |
1:16(3/4) |
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2 7/8(73) |
10(2.54) |
1:16(3/4) |
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3 1/2(88.9) |
10(2.54) |
1:16(3/4) |
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4(101.6) |
8(3.175) |
1:16(3/4) |
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4 1/2(114.3) |
8(3.175) |
1:16(3/4) |
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不加厚油管螺纹量规 External-upset thread gauges |
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规格 Specification in(mm) |
扣数 Number of Threads/in(螺距Pitch) |
锥 度 Taper（in/ft） |
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1.050(33.4) |
10(2.54) |
1:16(3/4) |
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1.315(37.3) |
10(2.54) |
1:16(3/4) |
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1.660(46.0) |
10(2.54) |
1:16(3/4) |
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1.990(53.2) |
10(2.54) |
1:16(3/4) |
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2 3/8(65.9) |
8(3.175) |
1:16(3/4) |
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2 7/8(78.6) |
8(3.175) |
1:16(3/4) |
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3 1/2(95.3) |
8(3.175) |
1:16(3/4) |
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4(107.9) |
8(3.175) |
1:16(3/4) |
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4 1/2(120.6) |
8(3.175) |
1:16(3/4) |
TECHNICAL PARAMETERS OF DRILL PIPE THREAD GAUGES
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内加厚钻杆螺纹量规 IU drill pipe thread gauges |
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规格 Specification in(mm) |
扣数 Number of Threads/in(螺距Pitch) |
锥 度 Taper（in/ft） |
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2 3/8DP |
8(3.175) |
1:16(3/4) |
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2 7/8DP |
8(3.175) |
1:16(3/4) |
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3 1/2DP |
8(3.175) |
1:16(3/4) |
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4DP |
8(3.175) |
1:16(3/4) |
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4 1/2DP |
8(3.175) |
1:16(3/4) |
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5DP |
8(3.175) |
1:16(3/4) |
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5 1/2DP |
8(3.175) |
1:16(3/4) |
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6 5/8DP |
8(3.175) |
1:16(3/4) |
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外加厚钻杆螺纹量规 EU drill pipe thread gauges |
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规格 Specification in(mm) |
扣数 Number of Threads/in(螺距Pitch) |
锥 度 Taper（in/ft） |
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2 3/8UP DP |
8(3.175) |
1:16(3/4) |
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2 7/8UP DP |
8(3.175) |
1:16(3/4) |
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3 1/2UP DP |
8(3.175) |
1:16(3/4) |
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4 UP DP |
8(3.175) |
1:16(3/4) |
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4 1/2 UP DP |
8(3.175) |
1:16(3/4) |
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5 1/2 UP DP |
8(3.175) |
1:16(3/4) |
