CN204627443U - Helicoid hydraulic motor testing pressure of well head joint - Google Patents
Helicoid hydraulic motor testing pressure of well head joint Download PDFInfo
- Publication number
- CN204627443U CN204627443U CN201520193984.XU CN201520193984U CN204627443U CN 204627443 U CN204627443 U CN 204627443U CN 201520193984 U CN201520193984 U CN 201520193984U CN 204627443 U CN204627443 U CN 204627443U
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- pressure
- hydrophthalmia
- testing
- hydraulic motor
- helicoid hydraulic
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Abstract
A kind of helicoid hydraulic motor testing pressure of well head joint, comprise action pressure-testing joint body, hydrophthalmia body and pressure cap, it is characterized in that: action pressure-testing joint body is set to cylindrical, center is provided with intercommunicating pore, one end is provided with pin thread gas thread, be provided with expanding hole in the middle part of the other end, the inner in expanding hole is provided with hydrophthalmia body, and hydrophthalmia body is provided with a hydrophthalmia; The outer end in expanding hole is provided with a pressure cap be threaded.The utility model has the advantages that: a kind of helicoid hydraulic motor testing pressure of well head joint of specification, the hydrophthalmia by changing different size meets the on-site voltage-measuring requirement of the helicoid hydraulic motor different displacements of same size Multiple Type; The service behaviour of helicoid hydraulic motor under different displacements can be checked intuitively; Can ensure during pressure testing that enough mud is by bearing, ensure the lubrication of bearing, avoid the situation that power transmission shaft locking occurs to occur, thus avoid the consumption of unnecessary maintenance cost; This instrument is common iron, and external surface, without ledge, can not cause damage to sleeve pipe when testing in sleeve pipe.
Description
Technical field:
The utility model relates to a kind of helicoid hydraulic motor pressure testing special tool, the helicoid hydraulic motor testing pressure of well head joint of on-site voltage-measuring, inspection before well operations under a kind of helicoid hydraulic motor specifically.
Background technology:
Current oil field drilling drilling team will check helicoid hydraulic motor pressure testing at well head before helicoid hydraulic motor is gone into the well, the hydraulic motor service behaviour of inspection helicoid hydraulic motor, avoid drill bit and sleeve pipe to collide when testing pressure of well head, generally do not connect drill bit, pressure testing mud directly runs off from power transmission shaft hydrophthalmia, because hydrophthalmia is excessive, pressure is beaten less than required operating pressure, can not check out the service behaviour of screw drilling tool motor completely; And it is too fast to carry out pressure testing mud loss in 5-10 minute experimentation at well head, the gap of drive bearing is relatively little, the mud flowing through power transmission shaft journal bearing place is less, motor drives power transmission shaft to rotate, sufficient mud lubrication can not be obtained, rub overheated, cause journal bearing locking, cause helicoid hydraulic motor not work.
summary of the invention:
The purpose of this utility model is to provide a kind of helicoid hydraulic motor testing pressure of well head joint, overcomes the defect that above-mentioned prior art exists.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises action pressure-testing joint body, hydrophthalmia body and pressure cap, and action pressure-testing joint body is set to cylindrical, and center is provided with intercommunicating pore, one end is provided with pin thread gas thread, be provided with expanding hole in the middle part of the other end, the inner in expanding hole is provided with hydrophthalmia body, and hydrophthalmia body is provided with a hydrophthalmia; The outer end in expanding hole is provided with a pressure cap be threaded.
Described hydrophthalmia body is set to cylindrical, and central part is provided with a deep-slotted chip breaker, inlays an alloy steel hydrophthalmia in the middle part of the end of deep-slotted chip breaker.
Described pressure cap is set to cylindrical, and periphery is provided with the male thread be threaded with action pressure-testing joint body, and central part is provided with rib groove more than, many ribs bottom land center be provided with one with the hole of described hydrophthalmia with footpath.
The utility model has the advantages that: a kind of helicoid hydraulic motor testing pressure of well head joint of specification, the hydrophthalmia by changing different size meets the on-site voltage-measuring requirement of the helicoid hydraulic motor different displacements of same size Multiple Type; The service behaviour of helicoid hydraulic motor under different displacements can be checked intuitively; Can ensure during pressure testing that enough mud is by bearing, ensure the lubrication of bearing, avoid the situation that power transmission shaft locking occurs to occur, thus avoid the consumption of unnecessary maintenance cost; This instrument is common iron, and external surface, without ledge, can not cause damage to sleeve pipe when testing in sleeve pipe.
Accompanying drawing explanation
Fig. 1-structural representation of the present utility model
1-action pressure-testing joint body, 2-hydrophthalmia body, 3-pressure cap in figure.
Detailed description of the invention
For entering an open the technical solution of the utility model, elaborated by embodiment below in conjunction with Figure of description:
The utility model comprises action pressure-testing joint body 1, hydrophthalmia body 2 and pressure cap 3, and action pressure-testing joint body is set to cylindrical, and center is provided with intercommunicating pore, one end is provided with pin thread gas thread, be provided with expanding hole in the middle part of the other end, the inner in expanding hole is provided with hydrophthalmia body, and hydrophthalmia body is provided with a hydrophthalmia; The outer end in expanding hole is provided with a pressure cap be threaded.
Helicoid hydraulic motor testing pressure of well head joint, adopts heavy wall body, and joint outside dimension is suitable with helicoid hydraulic motor body dimension, and joint wall thickness can bear the fluid pressure intensity of 7-10MPa.When to helicoid hydraulic motor pressure testing, by drilling rod, helicoid hydraulic motor is hung in well head, action pressure-testing joint is connected on hydraulic pump driving axle, namely drill bit place is connected, by slush pump conveying pressure testing mud, drive hydraulic pump rotates, and the mud that hydraulic pump pumps controls to flow out through hydrophthalmia, and the discharge of hydrophthalmia is equivalent to the lubrication amount of drill bit and the flushing dose cut the mud under boring.Hydrophthalmia by changing different size meets the on-site voltage-measuring requirement of the helicoid hydraulic motor different displacements of same size Multiple Type.This instrument can check the service behaviour of helicoid hydraulic motor under different displacements intuitively; Can ensure during pressure testing that enough mud is by bearing, ensure the lubrication of bearing, avoid the situation that power transmission shaft locking occurs to occur, thus avoid the consumption of unnecessary maintenance cost; This instrument is common iron, and external surface, without ledge, can not cause damage to sleeve pipe when testing in sleeve pipe.
Claims (3)
1. a helicoid hydraulic motor testing pressure of well head joint, comprise action pressure-testing joint body, hydrophthalmia body and pressure cap, it is characterized in that: action pressure-testing joint body is set to cylindrical, center is provided with intercommunicating pore, one end is provided with pin thread gas thread, be provided with expanding hole in the middle part of the other end, the inner in expanding hole is provided with hydrophthalmia body, and hydrophthalmia body is provided with a hydrophthalmia; The outer end in expanding hole is provided with a pressure cap be threaded.
2. helicoid hydraulic motor testing pressure of well head joint according to claim 1, it is characterized in that: described hydrophthalmia body is set to cylindrical, central part is provided with a deep-slotted chip breaker, inlays an alloy steel hydrophthalmia in the middle part of the end of deep-slotted chip breaker.
3. helicoid hydraulic motor testing pressure of well head joint according to claim 1, it is characterized in that: described pressure cap is set to cylindrical, periphery is provided with the male thread be threaded with action pressure-testing joint body, and central part is provided with rib groove more than, many ribs bottom land center be provided with one with the hole of described hydrophthalmia with footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193984.XU CN204627443U (en) | 2015-04-02 | 2015-04-02 | Helicoid hydraulic motor testing pressure of well head joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193984.XU CN204627443U (en) | 2015-04-02 | 2015-04-02 | Helicoid hydraulic motor testing pressure of well head joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627443U true CN204627443U (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193984.XU Expired - Fee Related CN204627443U (en) | 2015-04-02 | 2015-04-02 | Helicoid hydraulic motor testing pressure of well head joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948764A (en) * | 2017-05-18 | 2017-07-14 | 西南石油大学 | A kind of deep water hydrocarbon test string safety control system attachment means |
-
2015
- 2015-04-02 CN CN201520193984.XU patent/CN204627443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948764A (en) * | 2017-05-18 | 2017-07-14 | 西南石油大学 | A kind of deep water hydrocarbon test string safety control system attachment means |
| CN106948764B (en) * | 2017-05-18 | 2023-04-21 | 西南石油大学 | Connecting device for deep water oil gas test pipe column safety control system |
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Legal Events
| 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: 20150909 Termination date: 20160402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |