CN2702269Y - Gauge for special screw-threaded oil well pipes - Google Patents
Gauge for special screw-threaded oil well pipes Download PDFInfo
- Publication number
- CN2702269Y CN2702269Y CN 200420023231 CN200420023231U CN2702269Y CN 2702269 Y CN2702269 Y CN 2702269Y CN 200420023231 CN200420023231 CN 200420023231 CN 200420023231 U CN200420023231 U CN 200420023231U CN 2702269 Y CN2702269 Y CN 2702269Y
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- CN
- China
- Prior art keywords
- gauge
- sealing surface
- screw
- cylindrical shell
- oil well
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The utility model relates to a gauge for checking the screw thread of an oil well pipe, in particular to a gauge for checking a special oil well pipe which has screw thread and metal sealing surface. Disclosed is a gauge for special screw-threaded oil well pipes, comprising a ring gauge and a feeler gauge which are used for the special screw-threaded oil well pipes. The ring gauge and the feeler gauge consist of a screw thread measuring member and a sealing surface measuring member. The utility model respectively bases on the shoulder surface of the metal sealing table of a pipe and a coupling clamp, adopts the ring gauge to carry out checking for the pipe, and uses the feeler gauge to carry out checking for the coupling clamp. The tolerance between the shoulder surface of the metal sealing table and the screw standoff is measured by a number being read out. The gauge of the utility model is convenient in checking and reliable in use.
Description
(1) technical field
The utility model relates to the check of thread compound well casing and uses gauge, relates in particular to the check gauge of the particular oils well casing that contains screw thread and metallic sealing section.
(2) background technology
In oil and gas exploitation, oil pipe, the sleeve pipe product that is absolutely necessary.In actual use, be that single oil pipe, sleeve pipe are connected into oil pipe, string of casing by taper thread, for a long time in underground military service, so concerning oil pipe, sleeve pipe factory, the check of screw thread is an important link.In the thread parameter check, except control thread single parameter, outside parameters such as tapering, pitch, tooth depth and the included angle of thread, screw thread is closely also extremely important apart from parameter control, because be the overall target of thread parameter apart from what reflect closely.For American Petroleum Institute (API) oil pipe, casing threads product, its tight distance measurement method has regulation in API STD 5B standard.The measurement of the tight distance of API is to be benchmark with a certain specifying measurement face on work plug or the work ring, measure and corresponding box cupling or pipe end face between distance, guarantee tight at tolerance of box cupling and pipe apart from cooperating in the scope.But for special thread pipe and box cupling, owing to increased shape metallic leak-proof structure, after buckleing on pipe and the box cupling, guarantee the contact of torque shoulder face, in margin tolerance, existing tight distance is measured and can not be satisfied this measurement requirement simultaneously with work plug and work ring again in the cooperation of screw thread simultaneously.
(3) summary of the invention
The purpose of this utility model is to provide a kind of gauge that is used for the special thread oil well pipe, and it comprises the ring gauge that is used for the special thread oil well pipe and be used for the feeler gauge of special thread oil well pipe, has solved metallic seal circular bead surface and screw thread closely apart from the measurement of tolerance.This gauge is a benchmark with the metallic seal circular bead surface of pipe and box cupling respectively, with a reading, finishes metallic seal circular bead surface and screw thread closely apart from the measurement of tolerance.This gauge is easy to detect, uses reliable.
The utility model is achieved in that a kind of gauge that is used for the special thread oil well pipe, comprise the ring gauge that is used for the special thread oil well pipe, ring gauge is made up of screw measurement parts and sealing surface measurement component, the screw measurement parts are cylindrical shell, inner core dignity is the conical surface, have internal thread on the conical surface, a convex shoulder is arranged on the urceolus dignity as detection reference; The sealing surface measurement component is a cylindrical shell, and the ring body of a convex is arranged at cylindrical shell bottom, at ring body inner face vertically, has the conduct of an angle to detect the ring surface of sealing surface benchmark vertically; Sealing surface measurement component inner core dignity matches with screw measurement parts urceolus dignity and is removable, and the distance of sealing surface measurement component cylindrical shell top and screw measurement parts convex shoulder is a detected value.
A kind of gauge that is used for the special thread oil well pipe, comprise the feeler gauge that is used for the special thread oil well pipe, feeler gauge is made up of screw measurement parts and sealing surface measurement component, and the screw measurement parts are cylindrical shell, urceolus dignity is the conical surface, has the external thread as detection reference on the conical surface; The sealing surface measurement component is a cylindrical shell, and the ring body of an evagination is arranged at cylindrical shell bottom, and the outside vertically in the bottom of ring body has the conduct of an angle to detect the ring surface of sealing surface benchmark vertically; Sealing surface measurement component urceolus dignity matches with screw measurement parts inner core dignity and is removable, and the distance at sealing surface measurement component cylindrical shell top and screw measurement parts cylindrical shell top is a detected value.
Principle of work of the present utility model is to be benchmark with the metallic seal circular bead surface of pipe and box cupling respectively, adopts ring gauge that pipe is detected, and with feeler gauge box cupling is detected.By the size transmission, guarantee pipe and box cupling screw thread closely apart from tolerance, with a reading, finish metallic seal circular bead surface and screw thread closely apart from the measurement of tolerance.This gauge is easy to detect, uses reliable.
(4) description of drawings
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the structural representation that is used for the ring gauge of special thread oil well pipe;
Fig. 2 is for being used for the special thread oil well pipe box cupling feeler gauge structural representation of (claiming sleeve pipe again).
Among the figure: 1 pipe, 2 ring gauge screw measurement parts, 3 ring gauge sealing surface measurement components, 4 pipe sealing faces, the 5 ring gauge conical surfaces, 6 ring gauge convex shoulders, 7 ring gauge ring bodies, 8 ring gauge ring surfaces; 11 box cuplings, 12 feeler gauge screw measurement parts, 13 feeler gauge sealing surface measurement components, 14 box cupling sealing surfaces, the 15 feeler gauge conical surfaces, 16 feeler gauge ring bodies, 17 feeler gauge ring surfaces.The P1 ring gauge detects distance, and the cold rule of P2 are detected distance, footpath in the D1 tubing thread, D2 ring gauge sealing surface measurement component internal diameter, the D3 box cupling pitch diameter of thread, D4 feeler gauge sealing surface measurement component external diameter; α ring gauge metallic sealing section shoulder angle, β feeler gauge metallic sealing section shoulder angle.
(5) embodiment
Referring to Fig. 1, a kind of gauge that is used for the special thread oil well pipe comprises the ring gauge that is used for the special thread oil well pipe.Oil pipe 1 comprises screw thread and sealing surface 4.Ring gauge is made up of screw measurement parts 2 and sealing surface measurement component 3.Screw measurement parts 2 are cylindrical shell, and inner core dignity is the conical surface 5, has the internal thread as detection reference on the conical surface 5, and a convex shoulder 6 is arranged on the urceolus dignity.Sealing surface measurement component 3 is a cylindrical shell, and the ring body 7 of a convex is arranged at cylindrical shell bottom, at ring body 7 inner face vertically, has the conduct of an angle to detect the ring surface 8 of pipe sealing surface 4 benchmark vertically.This angle radially is α, the α angular range be 0 the degree to 30 the degree, present embodiment be 15 the degree.Sealing surface measurement component 3 inner cores dignity matches with screw measurement parts 2 urceolus dignity and is removable, and the distance of sealing surface measurement component 3 cylindrical shell tops and screw measurement parts 2 convex shoulders 6 is detected value P1.
Referring to Fig. 2, a kind of gauge that is used for the special thread oil well pipe comprises the feeler gauge that is used for special thread oil well pipe box cupling.Box cupling 11 comprises screw thread and sealing surface 14.Feeler gauge is made up of screw measurement parts 12 and sealing surface measurement component 13, and screw measurement parts 12 are cylindrical shell, and urceolus dignity is the conical surface 15, has the external thread as detection reference on the conical surface 15; Sealing surface measurement component 13 is a cylindrical shell, and the ring body 16 of an evagination is arranged at cylindrical shell bottom, and the outside vertically in the bottom of ring body 16 has the conduct of an angle to detect the ring surface 17 of sealing surface 14 benchmark vertically.This angle radially is β, the β angular range be 0 the degree to 30 the degree, present embodiment be 15 the degree.Sealing surface measurement component 13 urceolus dignity matches with screw measurement parts 12 inner core dignity and is removable, and the distance at sealing surface measurement component 13 cylindrical shell tops and screw measurement parts 12 cylindrical shell tops is detected value P2.
The characteristics that are used for the gauge of special thread oil well pipe are, are measuring basis with special thread joint sealing face shoulder, by measuring tight distance, can use one-shot measurement, finish the measurement of tight distance of screw thread and metallic sealing section shoulder dimensional tolerence.
Claims (2)
1. gauge that is used for the special thread oil well pipe, comprise the ring gauge that is used for the special thread oil well pipe, it is characterized in that ring gauge is made up of screw measurement parts and sealing surface measurement component, the screw measurement parts are cylindrical shell, inner core dignity is the conical surface, have internal thread on the conical surface, a convex shoulder is arranged on the urceolus dignity as detection reference; The sealing surface measurement component is a cylindrical shell, and the ring body of a convex is arranged at cylindrical shell bottom, at ring body inner face vertically, has the conduct of an angle to detect the ring surface of sealing surface benchmark vertically; Sealing surface measurement component inner core dignity matches with screw measurement parts urceolus dignity and is removable, and the distance of sealing surface measurement component cylindrical shell top and screw measurement parts convex shoulder is a detected value.
2. gauge that is used for the special thread oil well pipe, comprise the feeler gauge that is used for the special thread oil well pipe, it is characterized in that feeler gauge is made up of screw measurement parts and sealing surface measurement component, the screw measurement parts are cylindrical shell, urceolus dignity is the conical surface, has the external thread as detection reference on the conical surface; The sealing surface measurement component is a cylindrical shell, and the ring body of an evagination is arranged at cylindrical shell bottom, and the outside vertically in the bottom of ring body has the conduct of an angle to detect the ring surface of sealing surface benchmark vertically; Sealing surface measurement component urceolus dignity matches with screw measurement parts inner core dignity and is removable, and the distance at sealing surface measurement component cylindrical shell top and screw measurement parts cylindrical shell top is a detected value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023231 CN2702269Y (en) | 2004-05-31 | 2004-05-31 | Gauge for special screw-threaded oil well pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023231 CN2702269Y (en) | 2004-05-31 | 2004-05-31 | Gauge for special screw-threaded oil well pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2702269Y true CN2702269Y (en) | 2005-05-25 |
Family
ID=34770647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420023231 Expired - Fee Related CN2702269Y (en) | 2004-05-31 | 2004-05-31 | Gauge for special screw-threaded oil well pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2702269Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793491A (en) * | 2010-03-03 | 2010-08-04 | 中国石油天然气集团公司 | Universal shaft threaded connection directional assembly gauge for screw drilling tool |
| CN101893418A (en) * | 2010-07-14 | 2010-11-24 | 无锡创明传动工程有限公司 | Gauge structure for testing convex and concave spherical surfaces complying with contact requirement |
| CN102494590A (en) * | 2011-11-14 | 2012-06-13 | 中国石油集团渤海石油装备制造有限公司 | Device for detecting tightness distance of external threads of large-caliber casing pipe |
| CN101482012B (en) * | 2008-01-10 | 2012-08-29 | 汉中万目仪电有限责任公司 | Inner sealing surface depth measurer for special petroleum pipe |
| CN105180775A (en) * | 2015-09-06 | 2015-12-23 | 中国计量科学研究院 | Gauge for calibration of shaft cross section contour parameter measuring instrument |
-
2004
- 2004-05-31 CN CN 200420023231 patent/CN2702269Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482012B (en) * | 2008-01-10 | 2012-08-29 | 汉中万目仪电有限责任公司 | Inner sealing surface depth measurer for special petroleum pipe |
| CN101793491A (en) * | 2010-03-03 | 2010-08-04 | 中国石油天然气集团公司 | Universal shaft threaded connection directional assembly gauge for screw drilling tool |
| CN101893418A (en) * | 2010-07-14 | 2010-11-24 | 无锡创明传动工程有限公司 | Gauge structure for testing convex and concave spherical surfaces complying with contact requirement |
| CN102494590A (en) * | 2011-11-14 | 2012-06-13 | 中国石油集团渤海石油装备制造有限公司 | Device for detecting tightness distance of external threads of large-caliber casing pipe |
| CN102494590B (en) * | 2011-11-14 | 2014-03-19 | 中国石油集团渤海石油装备制造有限公司 | Device for detecting tightness distance of external threads of large-caliber casing pipe |
| CN105180775A (en) * | 2015-09-06 | 2015-12-23 | 中国计量科学研究院 | Gauge for calibration of shaft cross section contour parameter measuring instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050525 Termination date: 20130531 |