CN104482827A - Sealed thread connector outer thread parameter measuring and aligning tool - Google Patents
Sealed thread connector outer thread parameter measuring and aligning tool Download PDFInfo
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- CN104482827A CN104482827A CN201410727315.6A CN201410727315A CN104482827A CN 104482827 A CN104482827 A CN 104482827A CN 201410727315 A CN201410727315 A CN 201410727315A CN 104482827 A CN104482827 A CN 104482827A
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Abstract
The invention provides a sealed thread connector outer thread parameter measuring and aligning tool. The sealed thread connector outer thread parameter measuring and aligning tool comprises a tool body, a thread standard surface which is arranged at the top of the tool body, and a bottom surface which is arranged at the bottom of the tool body, wherein the thread standard surface and the bottom surface are parallel to each other; the middle axis of the tool body is formed by a connection line between the central point of the thread standard surface and the central point of the bottom surface; the two side faces of the tool body are provided with measuring and aligning working surfaces which are symmetrical along the middle axis; the thread standard surface is connected with the bottom surface by the measuring and aligning working surfaces. The invention provides the sealed thread connector outer thread parameter measuring and aligning tool which can be used for accurately measuring the middle diameter of an outer thread and the diameter of a sealing surface of an economical sealed thread connector for middle-west oil and gas fields.
Description
Technical field
The invention belongs to fields of measurement, relate to a kind of sealing thread joint measuring external thread parameter truing tool, particularly relate to a kind of in particular to the economical sealing thread joint measuring external thread parameter truing tool of a kind of China Midwest oil gas field.
Background technology
Along with going deep into further of natural petroleum gas field, the many middle parts of China and the continuous exploratory development of western oil gas field, in the oil and gas development of Midwest, there is the present situation of the low abundance of hydrocarbon resources, hyposmosis, low output, only have and adopt the pattern of low cost development just can obtain economic benefit.And in industrial gas oil performance history, the tubing and casing adopted twists with screw thread the tubing string connecing and connect to form, screw thread is the weakest link in oil casing, its structural intergrity, sealing integrity and reliability, has a strong impact on safety in production and the tubing string life-span in oil field.Common API screw thread is due to deficiency congenital in structural design own, the sealing integrity in Oil/gas Well environment cannot be met, very easily there is serious oil and gas leakage accident, and at present the widely used Special threading connector of institute due to cost higher, inspection during manufacture requires strict, in addition cannot change general between various button-type, more cannot meet the low cost development strategy of China Midwest " three is low " oil gas field.CNPC Tubular Goods Research Institute is not high for China's Midwest oil gas field environmental requirement, tubing and casing use cost is low, the feature of highly versatile, have developed a kind of economical sealing Special threading connector, while the strength of joint ensureing tubing string and sealing property, reduce factory process difficulty to save production cost, there is highly versatile simultaneously, easily go up/shackle, be convenient to maintenance, feature easy to detect.Sealing threaded connector is different from traditional API screw thread, adopts other screw measuring tools existing on the market cannot detect this screw thread.
Summary of the invention
In order to solve the above-mentioned technical matters existed in background technology, the invention provides the pitch diameter of external thread of the economical sealing thread joint of a kind of energy Measurement accuracy Midwest oil gas field and the sealing thread joint measuring external thread parameter truing tool of sealing surface diameter.
Technical solution of the present invention is: the invention provides a kind of sealing thread joint measuring external thread parameter truing tool, its special character is: described sealing thread joint measuring external thread parameter truing tool comprises tool body, is separately positioned on basic thread face and the bottom surface of tool body top and bottom; Described basic thread face and bottom surface are parallel to each other; Line between described basic thread face central point and bottom center's point forms the axis of tool body; The two sides of described tool body are provided with the Measurement and calibration workplace along axis symmetry; Described basic thread face is connected with bottom surface by Measurement and calibration workplace.
Above-mentioned Measurement and calibration workplace comprise connect successively sealing alignment surface, vertical transition section, the one 45 ° of transition section, measure divisional plane, the 2 45 ° of transition section, central diameter alignment surface, the 3 45 ° of transition section and base side; Described basic thread face is connected with sealing alignment surface; Described base side is connected with bottom surface.
Above-mentioned basic thread face and bottom surface are vertical with measurement divisional plane respectively.
Cone angle is formed between above-mentioned sealing alignment surface and axis; The range of taper of described cone angle is 1:6.5 ~ 1:9; Sealing alignment surface is 5 ~ 6mm apart from basic thread face vertical range, and the scope of spacing between the point of line and vertical symmetry position, axis is 131.2mm ~ 133.1mm.
Form cone angle between above-mentioned central diameter alignment surface and axis, the range of taper of described cone angle is 1:15 ~ 1:17.5; In described central diameter alignment surface, the scope of the spacing of the point of line and vertical symmetry position, axis is 138.0mm ~ 140.5mm; The height of described central diameter alignment surface is 25mm ~ 45mm.
The slope of above-mentioned one 45 ° of transition section is identical with the slope of the 3 45 ° of transition section; The slope of described one 45 ° of transition section is contrary with the slope of the 2 45 ° of transition section.
Selected by above-mentioned tool body, the skin hardness of material is greater than 60HRC; The surface smoothness of described sealing alignment surface and central diameter alignment surface is not less than R0.8.
The outside surface of above-mentioned tool body is provided with the composite coating for increasing wearing quality.
Chamfering is provided with between above-mentioned sealing alignment surface and basic thread face.
Above-mentioned tool body is provided with the grooving for alleviating tool body weight.
Advantage of the present invention is:
The invention provides a kind of sealing thread joint measuring external thread parameter truing tool, sealing threaded connector measuring external thread parameter truing tool adopts the sealing surface and pitch diameter of thread slope and outside dimension that match with the economical sealing male connection design parameter of Midwest oil gas field, can accurately measure Midwest the oil gas field externally threaded central diameter of economical sealing thread joint and sealing surface diameter.Measurement and calibration instrument of the present invention can meet simultaneously measures the sealing surface of screw thread and the requirement of central diameter size, easy to use, measuring accuracy is high, life-span is long, external thread in-process measurement and the inspection of the economical sealing thread joint of Midwest oil gas field can be applicable to preferably, solve the technical matters that existing screw measuring tool and truing tool accurately cannot detect this sealing thread joint.
Accompanying drawing explanation
Fig. 1 is the front elevation of sealing thread joint measuring external thread parameter truing tool provided by the present invention;
Fig. 2 is the side view of Fig. 1;
Wherein:
1-basic thread face; 2-seals alignment surface; 3-vertical transition section, 4-45 ° transition section; 5-measures divisional plane; 6-grooving; 7-central diameter alignment surface; 8-base side; 9-bottom surface; 10-tool body; 11-axis.
Embodiment
See Fig. 1 and Fig. 2, the invention provides the economical sealing thread joint measuring external thread parameter truing tool of a kind of Midwest oil gas field, comprise tool body 10, be separately positioned on basic thread face 1 and the bottom surface 9 of tool body 10 top and bottom; Basic thread face 1 and bottom surface 9 are parallel to each other; Line between basic thread face 1 central point and bottom surface 9 central point forms the axis 11 of tool body; The two sides of tool body 10 are provided with the Measurement and calibration workplace along axis 11 symmetry; Measurement and calibration workplace comprise connect successively sealing alignment surface 2, vertical transition section the 3, the 1 ° of transition section, measure divisional plane the 5, the 2 45 ° of transition section, central diameter alignment surface the 7, the 3 45 ° of transition section and base side 8; Basic thread face is connected with sealing alignment surface; Base side is connected with bottom surface.
Basic thread face 1 is parallel with bottom surface 9, and vertical with measurement divisional plane 5; Basic thread face 1, sealing alignment surface 2, vertical transition section 3,45 ° of transition sections 4, measurement divisional plane 5,45 ° of transition sections 4, central diameter alignment surface 7,45 ° of transition sections 4, base side 8 and bottom surfaces 9 from top to bottom respectively in the side of tool body 10; Tool body 10 middle upper portion is designed with grooving 6 to alleviate instrument weight, and be easy to carry use.
The range of taper that sealing alignment surface 2 and axis 11 are formed is 1:6.5 ~ 1:9; Sealing alignment surface 2 is 5 ~ 6mm apart from basic thread face 1 vertical range, and the scope of the space D 1 of the point of line and vertical symmetry position, axis is 131.2mm ~ 133.1mm, can establish chamfering between sealing alignment surface 2 and basic thread face 1.
The range of taper that central diameter alignment surface 7 and axis 11 are formed is 1:15 ~ 1:17.5, and in central diameter alignment surface 7, the scope of the space D 2 of the point of line and vertical symmetry position, axis is 138.0mm ~ 140.5mm, and the height of central diameter alignment surface 7 is 25mm ~ 45mm.
Selected by thread parameter measurement truing tool, the skin hardness of material need be greater than 60HRC, and the surface smoothness of sealing alignment surface 2 and central diameter alignment surface 7 reaches more than R0.8.
Thread parameter measurement truing tool outside surface can arrange composite coating to increase wearing quality.
Embodiment 1
The economical sealing thread joint measuring external thread parameter truing tool of a kind of Midwest oil gas field, this Measurement and calibration instrument comprises tool body 10, tool body 10 both sides are dispersed with symmetrical sealing alignment surface 2 and central diameter alignment surface 7, basic thread faces 1 on the top of tool body 10, basic thread face 1 is parallel with bottom surface 9, and vertical with measurement divisional plane 5; Basic thread face 1, sealing alignment surface 2, vertical transition section 3,45 ° of transition sections 4, measurement divisional plane 5,45 ° of transition sections 4, central diameter alignment surface 7,45 ° of transition sections 4, base side 8 and bottom surfaces 9 from top to bottom respectively in the side of tool body 10; Tool body 10 middle upper portion is designed with grooving 6 to alleviate instrument weight, and be easy to carry use.
The tapering that sealing alignment surface 2 and axis 11 are formed is 1:8; In sealing alignment surface 2, distance basic thread face 1 vertical range is 5mm, and the value of the space D 1 of the point of line and vertical symmetry position, axis is 131.45mm, has 45 ° of chamferings between sealing alignment surface 2 and basic thread face 1.
The tapering that central diameter alignment surface 7 and axis 11 are formed is 1:16, and in central diameter alignment surface 7, distance basic thread face 1 vertical range is 47.56mm, and the value of the space D 2 of the point of line and vertical symmetry position, axis is 139.18mm, and the height of central diameter alignment surface 7 is 30mm.
Selected by thread parameter measurement truing tool, the skin hardness of material is required to be 61HRC, and the surface smoothness of sealing alignment surface 2 and central diameter alignment surface 7 is more than R0.8, and outside surface arranges composite coating to increase wearing quality.
The measurement requirement of the economical 5.5 inches of external diameter hermetic seal casing threads sealing surfaces of certain Midwest oil gas field and central diameter size can be met with screw measurement truing tool in addition simultaneously, easy to use, measuring accuracy is high, life-span is long, and western oil gas field satisfies the demands in using with the externally threaded in-process measurement of economical sealing and inspection hereinto.
Embodiment 2
According to oil gas field economical sealing measuring external thread parameter truing tool in a kind of Midwest prepared by the present invention, this Measurement and calibration instrument comprises tool body 10, tool body 10 both sides are dispersed with symmetrical sealing alignment surface 2 and central diameter alignment surface 7, basic thread faces 1 on the top of tool body 10, basic thread face 1 is parallel with bottom surface 9, and vertical with measurement divisional plane 5; Basic thread face 1, sealing alignment surface 2, vertical transition section 3,45 ° of transition sections 4, measurement divisional plane 5,45 ° of transition sections 4, central diameter alignment surface 7,45 ° of transition sections 4, base side 8 and bottom surfaces 9 from top to bottom respectively in the side of tool body 10; Tool body 10 middle upper portion is designed with grooving 6 to alleviate instrument weight, and be easy to carry use.
The tapering that sealing alignment surface 2 and axis 11 are formed is 1:9; In sealing alignment surface 2, distance basic thread face 1 vertical range is 6mm, and the value of the space D 1 of the point of line and vertical symmetry position, axis is 132.45mm, has 45 ° of chamferings between sealing alignment surface 2 and basic thread face 1.
The tapering that central diameter alignment surface 7 and axis 11 are formed is 1:15.5, in central diameter alignment surface 7, distance basic thread face 1 vertical range is 62.35mm, the value of the space D 2 of the point of line and vertical symmetry position, axis is 140.11mm, and the height of central diameter alignment surface 7 is 35mm.
Selected by thread parameter measurement truing tool, the skin hardness of material is required to be 60HRC, and the surface smoothness of sealing alignment surface 2 and central diameter alignment surface 7 is more than R0.8, and outside surface arranges composite coating to increase wearing quality.
Thread parameter measurement truing tool outside surface is provided with composite coating increases wearing quality.
The measurement requirement of the economical 5.5 inches of external diameter hermetic seal casing threads sealing surfaces of certain Midwest oil gas field and central diameter size can be met with screw measurement truing tool in addition simultaneously, easy to use, measuring accuracy is high, life-span is long, and western oil gas field satisfies the demands in using with the externally threaded in-process measurement of economical sealing and inspection hereinto.
Claims (10)
1. a sealing thread joint measuring external thread parameter truing tool, is characterized in that: described sealing thread joint measuring external thread parameter truing tool comprises tool body, is separately positioned on basic thread face and the bottom surface of tool body top and bottom; Described basic thread face and bottom surface are parallel to each other; Line between described basic thread face central point and bottom center's point forms the axis of tool body; The two sides of described tool body are provided with the Measurement and calibration workplace along axis symmetry; Described basic thread face is connected with bottom surface by Measurement and calibration workplace.
2. sealing thread joint measuring external thread parameter truing tool according to claim 1, is characterized in that: described Measurement and calibration workplace comprise connect successively sealing alignment surface, vertical transition section, the one 45 ° of transition section, measure divisional plane, the 2 45 ° of transition section, central diameter alignment surface, the 3 45 ° of transition section and base side; Described basic thread face is connected with sealing alignment surface; Described base side is connected with bottom surface.
3. sealing thread joint measuring external thread parameter truing tool according to claim 2, is characterized in that: described basic thread face and bottom surface are vertical with measurement divisional plane respectively.
4. be sealing thread joint measuring external thread parameter truing tool according to claim 3, it is characterized in that: between described sealing alignment surface and axis, form cone angle; The range of taper of described cone angle is 1:6.5 ~ 1:9; Sealing alignment surface is 5 ~ 6mm apart from basic thread face vertical range, and the scope of spacing between the point of line and vertical symmetry position, axis is 131.2mm ~ 133.1mm.
5. sealing thread joint measuring external thread parameter truing tool according to claim 4, it is characterized in that: form cone angle between described central diameter alignment surface and axis, the range of taper of described cone angle is 1:15 ~ 1:17.5; In described central diameter alignment surface, the scope of the spacing of the point of line and vertical symmetry position, axis is 138.0mm ~ 140.5mm; The height of described central diameter alignment surface is 25mm ~ 45mm.
6. the sealing thread joint measuring external thread parameter truing tool according to Claims 2 or 3 or 4 or 5, is characterized in that: the slope of described one 45 ° of transition section is identical with the slope of the 3 45 ° of transition section; The slope of described one 45 ° of transition section is contrary with the slope of the 2 45 ° of transition section.
7. sealing thread joint measuring external thread parameter truing tool according to claim 6, is characterized in that: selected by described tool body, the skin hardness of material is greater than 60HRC; The surface smoothness of described sealing alignment surface and central diameter alignment surface is not less than R0.8.
8. sealing thread joint measuring external thread parameter truing tool according to claim 7, is characterized in that: the outside surface of described tool body is provided with the composite coating for increasing wearing quality.
9. sealing thread joint measuring external thread parameter truing tool according to claim 8, is characterized in that: be provided with chamfering between described sealing alignment surface and basic thread face.
10. sealing thread joint measuring external thread parameter truing tool according to claim 9, is characterized in that: described tool body is provided with the grooving for alleviating tool body weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727315.6A CN104482827A (en) | 2014-12-03 | 2014-12-03 | Sealed thread connector outer thread parameter measuring and aligning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727315.6A CN104482827A (en) | 2014-12-03 | 2014-12-03 | Sealed thread connector outer thread parameter measuring and aligning tool |
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| Publication Number | Publication Date |
|---|---|
| CN104482827A true CN104482827A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410727315.6A Pending CN104482827A (en) | 2014-12-03 | 2014-12-03 | Sealed thread connector outer thread parameter measuring and aligning tool |
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| CN (1) | CN104482827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017012355A1 (en) * | 2015-07-22 | 2017-01-26 | 苏州国量量具科技有限公司 | Improved nanocrystal compound external thread gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111712A (en) * | 1981-12-25 | 1983-07-02 | Dainippon Printing Co Ltd | Diameter measuring device |
| CN201003938Y (en) * | 2007-01-19 | 2008-01-09 | 天津钢管集团有限公司 | Complete and integrated sealing diameter gauge and screw thread middle diameter target gauge |
| CN201983721U (en) * | 2010-12-08 | 2011-09-21 | 中国石油集团石油管工程技术研究院 | Ring gauge for measuring external thread parameter of sealing joint for gas well |
| CN202947633U (en) * | 2012-12-12 | 2013-05-22 | 衡阳华菱钢管有限公司 | Combined calibrating gauge for measuring pitch diameter of thread and sealing face of special male adapter |
| CN202947632U (en) * | 2012-12-12 | 2013-05-22 | 衡阳华菱钢管有限公司 | Combined calibrating gauge for measuring pitch diameter of thread and sealing face of special female adapter |
| CN204329805U (en) * | 2014-12-03 | 2015-05-13 | 西安三环科技开发总公司 | Sealing thread joint measuring external thread parameter truing tool |
-
2014
- 2014-12-03 CN CN201410727315.6A patent/CN104482827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111712A (en) * | 1981-12-25 | 1983-07-02 | Dainippon Printing Co Ltd | Diameter measuring device |
| CN201003938Y (en) * | 2007-01-19 | 2008-01-09 | 天津钢管集团有限公司 | Complete and integrated sealing diameter gauge and screw thread middle diameter target gauge |
| CN201983721U (en) * | 2010-12-08 | 2011-09-21 | 中国石油集团石油管工程技术研究院 | Ring gauge for measuring external thread parameter of sealing joint for gas well |
| CN202947633U (en) * | 2012-12-12 | 2013-05-22 | 衡阳华菱钢管有限公司 | Combined calibrating gauge for measuring pitch diameter of thread and sealing face of special male adapter |
| CN202947632U (en) * | 2012-12-12 | 2013-05-22 | 衡阳华菱钢管有限公司 | Combined calibrating gauge for measuring pitch diameter of thread and sealing face of special female adapter |
| CN204329805U (en) * | 2014-12-03 | 2015-05-13 | 西安三环科技开发总公司 | Sealing thread joint measuring external thread parameter truing tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017012355A1 (en) * | 2015-07-22 | 2017-01-26 | 苏州国量量具科技有限公司 | Improved nanocrystal compound external thread gauge |
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