CN204238925U - A kind of drilling rod pressure testing device of completion practice - Google Patents
A kind of drilling rod pressure testing device of completion practice Download PDFInfo
- Publication number
- CN204238925U CN204238925U CN201420589525.9U CN201420589525U CN204238925U CN 204238925 U CN204238925 U CN 204238925U CN 201420589525 U CN201420589525 U CN 201420589525U CN 204238925 U CN204238925 U CN 204238925U
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- drilling rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 85
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a kind of drilling rod pressure testing device of completion practice, this drilling rod pressure testing device includes action pressure-testing joint main body and pressure testing plug, the axis centre of action pressure-testing joint main body is provided with knowing a little about of connection and manages and thin siphunculus, pressure testing plug includes rubber plug body, plug seat, soft ring segment and fisher joint, plug seat, fisher joint lays respectively at bottom and the top of rubber plug body, rubber plug body sidewall is provided with multiple soft ring segment be arranged in parallel, the external diameter of plug seat equals the internal diameter of thin siphunculus, the external diameter of soft ring segment is slightly larger than the internal diameter of knowing a little about pipe, action pressure-testing joint main body is arranged on the drilling rod bottom into well, and in pipe cleaning operation, action pressure-testing joint main body is installed on the position being close to drill collar top or bottom, and in drilling rod pressure testing, pressure testing plug and described action pressure-testing joint main body are at well internal messing.Pressure testing device of the present utility model, in the completion practice of oil drilling, enters well for one time and completes the operation procedure originally entering well twice.
Description
Technical field
The utility model relates to drilling equipment field, is related specifically to the pipe cleaning pressure testing device used in completion for oil drilling, if demand, also may be used for CBM Drilling, geothermal well drilling well, shale gas drilling well etc.
Background technology
In drillng operation field, after having bored drilling depth, enter the completion practice of more complicated.Generally refer to the completion practice of oil drilling, CBM Drilling, geothermal well drilling well or shale gas drilling well.In completion practice, a kind of operation is scraping production casing, and another one operation needs to carry out drilling rod pressure testing in advance.Often need drilling rod to enter well for twice in prior art and just can complete two Job Operations, namely scraping production casing needs once to enter well, and drilling rod pressure testing needs another time to enter well specially.
But, oil drilling day operating cost very high, different according to work rig, day operating cost reach as high as 80,000 dollars.Therefore dynamicly design special equipment and complete two Job Operations once, provide drilling efficiency, save time cost and cost of production.
Summary of the invention
The purpose of this utility model is to save drilling time, accelerates speed of application, ensures job safety, and satisfactorily can complete the job result of needs, provide the drilling rod pressure testing device of a set of completion practice.Completion practice drilling rod pressure testing device of the present utility model is wanted twice can be entered well and is operated the Job Operations that just can complete once entering in well program to complete, and difficulty action accomplishment is high, cost-saving.
In order to reach foregoing invention object, the technical scheme that the utility model provides is as follows:
A kind of drilling rod pressure testing device of completion practice, it is characterized in that, this drilling rod pressure testing device includes action pressure-testing joint main body and pressure testing plug, described action pressure-testing joint main body two ends are respectively equipped with internal thread and external screw thread, the axis centre of action pressure-testing joint main body is provided with knowing a little about of connection and manages and thin siphunculus, described pressure testing plug includes rubber plug body, plug seat, soft ring segment and fisher joint, described plug seat, fisher joint lays respectively at bottom and the top of rubber plug body, rubber plug body sidewall is provided with multiple soft ring segment be arranged in parallel, the external diameter of described plug seat is greater than the internal diameter of described thin siphunculus, the external diameter of described soft ring segment is slightly larger than the internal diameter of knowing a little about pipe, described action pressure-testing joint main body is arranged on the drilling rod bottom into well, and in pipe cleaning operation, action pressure-testing joint main body is installed on the position being close to drill collar top or bottom, and in drilling rod pressure testing, described pressure testing plug and described action pressure-testing joint main body are at well internal messing.
In the drilling rod pressure testing device of the utility model completion practice, at well internal messing, described pressure testing plug and action pressure-testing joint main body refer to that the body of described pressure testing plug stretches in action pressure-testing joint main body, and described plug seat is sitting in the slope on thin siphunculus top, plug seat has two seals circle seal, described fisher joint stretches out in the outside of described action pressure-testing joint main body.
In the drilling rod pressure testing device of the utility model completion practice, as a kind of embodiment form, when performing pipe cleaning and drilling rod pressure testing operation, action pressure-testing joint main body is installed between drill collar and drilling rod, and the basic structure string of formation is: drill bit+pipeline scraper+drill collar+action pressure-testing joint main body+drilling rod+kelly bar+water tap+standpipe+slush pump.
In the drilling rod pressure testing device of the utility model completion practice, as another embodiment form, perform pipe cleaning and drilling rod, drill collar pressure testing operation time, action pressure-testing joint main body is installed between pipeline scraper and drill collar, and the basic structure string of formation is: drill bit+pipeline scraper+action pressure-testing joint main body+drill collar+drilling rod+kelly bar+water tap+standpipe+slush pump.
In the drilling rod pressure testing device of the utility model completion practice, described completion practice refers to the completion practice of oil drilling, CBM Drilling, geothermal well drilling well or shale gas drilling well.
Based on technique scheme, the drilling rod pressure testing device of completion practice of the present utility model achieves following technique effect when completion practice:
Action pressure-testing joint main body, pressure testing plug and rubber plug fisher is used when drilling rod pressure testing device of the present utility model uses, even if wherein rubber plug fisher adopts the prior art 201120382977.6 Chinese patent fishing device of wireless drilling instrument " in a kind of oil drilling ", it is disclosed prior art.By combinationally using of these three equipment, after completing pipe cleaning operation, drop into and pressure testing plug, with action pressure-testing joint main body at well internal messing, just can do pressure experiment, draw drilling rod pressure testing data, then pull invention pressure testing plug out with invention special rubber plug fisher, proceed subsequent job.In the completion practice of oil drilling, enter well for one time and complete the operation procedure originally entering well twice.
Accompanying drawing explanation
Fig. 1 is the structural representation of action pressure-testing joint main body in the drilling rod pressure testing device of the utility model completion practice.
Fig. 2 is the structural representation of the drilling rod pressure testing device pilot scale moulding plug of the utility model completion practice.
Fig. 3 is the engagement schematic diagram of action pressure-testing joint main body and pressure testing plug in the drilling rod pressure testing device of the utility model completion practice.
Fig. 4 be the utility model completion practice with drilling rod pressure testing device pilot scale moulding plug and rubber plug fisher be connected combination schematic diagram.
Detailed description of the invention
We do with the drilling rod pressure testing device of specific embodiment to completion practice of the present utility model by reference to the accompanying drawings and further elaborate below; understand its structure composition and working method in the hope of more cheer and bright, but protection domain of the present utility model can not be limited with this.
Completion practice in the utility model refers to the completion practice of oil drilling, CBM Drilling, geothermal well drilling well or shale gas drilling well.
As depicted in figs. 1 and 2, the drilling rod pressure testing device of completion practice of the present utility model structurally includes action pressure-testing joint main body C and pressure testing plug A, described action pressure-testing joint main body C two ends are respectively equipped with internal thread and external screw thread, the axis centre of action pressure-testing joint main body C is provided with knowing a little about of connection and manages and thin siphunculus, described pressure testing plug A includes rubber plug body 1, plug seat 3, soft ring segment 4 and fisher joint 2, described plug seat 3, fisher joint 2 lays respectively at bottom and the top of rubber plug body 1, rubber plug body 1 sidewall is provided with multiple soft ring segment be arranged in parallel, the external diameter of described plug seat 3 is greater than the internal diameter of described thin siphunculus, the external diameter of described soft ring segment 4 is slightly larger than the internal diameter of knowing a little about pipe, described action pressure-testing joint main body C is arranged on the drilling rod bottom into well, and in pipe cleaning operation, action pressure-testing joint main body C is installed on the position being close to drill collar top or bottom, and in drilling rod pressure testing, described pressure testing plug A and described action pressure-testing joint main body C is at well internal messing.
Drilling rod pressure testing device of the present utility model uses action pressure-testing joint main body C, pressure testing plug A and rubber plug fisher B in use, wherein, the structure of rubber plug fisher B is disclose structure composition in the 201120382977.6 Chinese patents fishing device of wireless drilling instrument " in a kind of oil drilling " in the patent No., it is disclosed prior art, as shown in Figure 4, combined by rubber plug fisher and pressure testing plug A, can complete and enough for pressure testing equipment is salvaged.As shown in Figure 3, at well internal messing, described pressure testing plug and action pressure-testing joint main body refer to that the body of described pressure testing plug A stretches in action pressure-testing joint main body, and described plug seat is sitting in the slope on thin siphunculus top, plug seat has two seals circle seal, described fisher joint B stretches out in the outside of described action pressure-testing joint main body C.
In the drilling rod pressure testing device of the utility model completion practice, as a kind of embodiment form, when performing pipe cleaning and drilling rod pressure testing operation, action pressure-testing joint main body is installed between drill collar and drilling rod, and the basic structure string of formation is: drill bit+pipeline scraper+drill collar+action pressure-testing joint main body+drilling rod+kelly bar+water tap+standpipe+slush pump.And as another embodiment form, perform pipe cleaning and drilling rod, drill collar pressure testing operation time, action pressure-testing joint main body is installed between pipeline scraper and drill collar, and the basic structure string of formation is: drill bit+pipeline scraper+action pressure-testing joint main body+drill collar+drilling rod+kelly bar+water tap+standpipe+slush pump.
Drilling rod pressure testing device of the present utility model can realize drilling rod inside in pipe cleaning operation and carry out pressure testing, when completion practice, by connecing an action pressure-testing joint on pipeline scraper top, after pipe cleaning operation completes, drop into the pressure testing plug with self-sealing function and settingly in action pressure-testing joint main body, realize drilling rod pressure testing.By combinationally using of action pressure-testing joint main body C, pressure testing plug A and these three equipment of rubber plug fisher B, in the completion practice of oil drilling, utilize to enter well for one time and can complete the operation procedure originally entering well twice.
Claims (5)
1. the drilling rod pressure testing device of a completion practice, it is characterized in that, this drilling rod pressure testing device includes action pressure-testing joint main body and pressure testing plug, described action pressure-testing joint main body two ends are respectively equipped with internal thread and external screw thread, the axis centre of action pressure-testing joint main body is provided with knowing a little about of connection and manages and thin siphunculus, described pressure testing plug includes rubber plug body, plug seat, soft ring segment and fisher joint, described plug seat, fisher joint lays respectively at bottom and the top of rubber plug body, rubber plug body sidewall is provided with multiple soft ring segment be arranged in parallel, the external diameter of described plug seat is greater than the internal diameter of described thin siphunculus, the external diameter of described soft ring segment is slightly larger than the internal diameter of knowing a little about pipe, described action pressure-testing joint main body is arranged on the drilling rod bottom into well, and in pipe cleaning operation, action pressure-testing joint main body is installed on the position being close to drill collar top or bottom, and in drilling rod pressure testing, described pressure testing plug and described action pressure-testing joint main body are at well internal messing.
2. the drilling rod pressure testing device of a kind of completion practice according to claim 1, it is characterized in that, at well internal messing, described pressure testing plug and action pressure-testing joint main body refer to that the body of described pressure testing plug stretches in action pressure-testing joint main body, and described plug seat is sitting in the slope on thin siphunculus top, plug seat has two seals circle seal, described fisher joint stretches out in the outside of described action pressure-testing joint main body.
3. the drilling rod pressure testing device of a kind of completion practice according to claim 1, it is characterized in that, in pipe cleaning and drilling rod pressure testing operation, action pressure-testing joint main body is installed between drill collar and drilling rod, and the basic structure string of formation is: drill bit+pipeline scraper+drill collar+action pressure-testing joint main body+drilling rod+kelly bar+water tap+standpipe+slush pump.
4. the drilling rod pressure testing device of a kind of completion practice according to claim 1, it is characterized in that, in the pressure testing operation of pipe cleaning and drilling rod, drill collar, action pressure-testing joint main body is installed between pipeline scraper and drill collar, and the basic structure string of formation is: drill bit+pipeline scraper+action pressure-testing joint main body+drill collar+drilling rod+kelly bar+water tap+standpipe+slush pump.
5. the drilling rod pressure testing device of a kind of completion practice according to claim 1, is characterized in that, described completion practice refers to the completion practice of oil drilling, CBM Drilling, geothermal well drilling well or shale gas drilling well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420589525.9U CN204238925U (en) | 2014-10-13 | 2014-10-13 | A kind of drilling rod pressure testing device of completion practice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420589525.9U CN204238925U (en) | 2014-10-13 | 2014-10-13 | A kind of drilling rod pressure testing device of completion practice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204238925U true CN204238925U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420589525.9U Expired - Fee Related CN204238925U (en) | 2014-10-13 | 2014-10-13 | A kind of drilling rod pressure testing device of completion practice |
Country Status (1)
| Country | Link |
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| CN (1) | CN204238925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248490A (en) * | 2016-07-20 | 2016-12-21 | 中冶建工集团有限公司 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
-
2014
- 2014-10-13 CN CN201420589525.9U patent/CN204238925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248490A (en) * | 2016-07-20 | 2016-12-21 | 中冶建工集团有限公司 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |