CN213392124U - Blowout preventer pressure testing device based on no bridge plug of rotary layer well or lost circulation well - Google Patents
Blowout preventer pressure testing device based on no bridge plug of rotary layer well or lost circulation well Download PDFInfo
- Publication number
- CN213392124U CN213392124U CN202021586914.8U CN202021586914U CN213392124U CN 213392124 U CN213392124 U CN 213392124U CN 202021586914 U CN202021586914 U CN 202021586914U CN 213392124 U CN213392124 U CN 213392124U
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- Prior art keywords
- well
- pressure testing
- nipple
- plug
- lost circulation
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- Expired - Fee Related
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Abstract
The utility model discloses a blowout preventer pressure testing device based on a rotary layer well or a lost circulation well without bridging plug, which comprises a pressure testing nipple, wherein one end of the pressure testing nipple is connected with a cross joint, the cross joint comprises a cross joint body, female buttons are arranged inside four ports of the cross joint body, the pressure testing nipple comprises a nipple body, one end of the nipple body is provided with a blind plug, the outer circumference of the blind plug is provided with a male button b, the circumference of one end of the nipple body close to the blind plug is symmetrically provided with two holes, the outer circumference of the other end of the nipple body is provided with a male button a, and the male button a is connected with the female button; the problem of the prior art transfer layer well or lost circulation well not make the unable pressure testing of bridging plug is solved.
Description
Technical Field
The utility model belongs to the technical field of the natural gas exploitation, concretely relates to preventer pressure testing device based on bridging plug is not beaten to revolving bed well or lost circulation well.
Background
The wellhead blowout preventer is an important wellhead control device of an oil-gas well, is used for closing a wellhead in the operation processes of oil testing, well repairing, well completion and the like, prevents blowout accidents, integrates full sealing and half sealing, and has the characteristics of simple structure, easiness in operation, high pressure resistance and the like. Before the well control device is used, the well control device needs to carry out specified pressure testing after on-site assembly is finished, and the well control safety of later-stage construction can be ensured after the pressure testing is qualified. The well pressure test of the wellhead blowout preventer is required to be carried out after the bridge plug is arranged on the upper part of a leakage point, so that the operation cost is increased due to the expense of a bridge plug tool, the expense of pulling a tubular column and the like, the operation period is prolonged, the stratum is polluted by multiple well killing, and meanwhile, underground accidents are possibly caused by the bridge plug arrangement and the bridge plug fishing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a preventer pressure testing device based on bridging plug is not beaten to transfer layer well or lost circulation well has solved the problem that prior art transfer layer well or lost circulation well do not beat the unable pressure testing of bridging plug.
The utility model provides a technical scheme be, a preventer pressure testing device based on bridging plug is not beaten to layer-transferring well or lost circulation well, including the pressure testing nipple joint, the one end of pressure testing nipple joint is connected with the cross.
The utility model is also characterized in that,
the cross comprises a cross body, and female buckles are arranged inside four ports of the cross body.
The pressure test nipple comprises a nipple body, a blind plug is arranged at one end of the nipple body, a male buckle b is arranged on the outer circumference of the blind plug, two holes are symmetrically formed in the circumference of one end, close to the blind plug, of the nipple body, a male buckle a is arranged on the outer circumference of the other end of the nipple body, and the male buckle a is connected with a female buckle.
The aperture of the two holes is 10 mm.
The thickness at both ends of nipple joint body is greater than the thickness of mid portion, and the thickness at both ends is 16.8mm, and the length of both ends thickening portion is 15cm, and the thickness of mid portion is 14mm, and the internal diameter of nipple joint body is 45mm, and the length of nipple joint body is 1-1.5 m.
The nipple body and the blind plug are integrated.
The beneficial effects of the utility model reside in that: the utility model relates to a preventer pressure testing device based on rotary bed well or lost circulation well do not beat the bridging plug, realized that rotary bed well does not beat the bridging plug and do not beat the bridging plug with the lost circulation well and can carry out well head preventer pressure testing, not only ensured well accuse safety, reduced the reservoir pollution, still reduced construction cost, shortened operation cycle.
Drawings
FIG. 1 is a schematic structural diagram of a blowout preventer pressure testing device based on a rotary layer well or a lost circulation well without a bridge plug;
fig. 2 is a schematic structural view of a pressure test nipple of a blowout preventer pressure test device based on a rotary layer well or a lost circulation well without a bridge plug;
fig. 3 is the utility model relates to a structural schematic of preventer pressure testing device's cross based on a layer well or lost circulation well do not beat the bridging plug.
In the figure, 1, a cross joint and 2, a pressure test short joint are arranged;
1-1, a female buckle, 1-2, a four-way body;
2-1, a nipple body, 2-2 holes, 2-3 male fasteners a, 2-4 male fasteners b, 2-5 and a blind plug.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a preventer pressure testing device based on bridging plug is not beaten to layer-changing well or lost circulation well, it is shown as 1 to figure, including pressure testing nipple joint 2, the one end of pressure testing nipple joint 2 is connected with cross 1.
As shown in fig. 3, the four-way joint 1 comprises a four-way joint body 1-2, female fasteners 1-1 are arranged inside four ports of the four-way joint body 1-2, and the four ports are in a cross shape.
As shown in figure 2, the pressure test nipple 2 comprises a nipple body 2-1, one end of the nipple body 2-1 is provided with a blind plug 2-5, the nipple body 2-1 and the blind plug 2-5 are integrated, the outer circumference of the blind plug 2-5 is provided with a male buckle b2-4, one end of the nipple body 2-1 close to the blind plug 2-5 is symmetrically provided with two holes 2-2, the aperture of the two holes 2-2 is 10mm, the outer circumference of the other end of the nipple body 2-1 is provided with a male buckle a2-3, the male buckle a2-3 is connected with a female buckle 1-1, the thickness of the two ends of the nipple body 2-1 is larger than that of the middle part, the thickness of the two ends is 16.8mm, the length of the thickened parts of the two ends is 15cm, the thickness of the middle part is 14mm, and the inner diameter of the nipple body 2-1 is, the length of the nipple body 2-1 is 1-1.5m, and the nipple body 2-1 is a concentric pipe.
When the pressure-testing pipe nipple is used, a blind plug 2-5 of a pressure-testing pipe nipple 2 is connected with an oil pipe hanger (a radish head) through a male buckle b2-4, a pipe nipple body 2-1 is connected with one female buckle 1-1 of a four-way joint 1 through a male buckle a2-3, the other female buckle 1-1 of the four-way joint 1 is connected with an oil pipe cock, the oil pipe cock is further connected with a cement truck, the three female buckles 1-1 are connected with a ground pipeline, the fourth female buckle 1-1 is connected with a buffer, the buffer is connected with a test shell, the test shell is connected with a pressure meter, after the connection is completed, a blowout preventer is closed, the oil pipe cock is opened, a ground pipeline plate valve is closed (emptied), a pressure meter stop valve is opened, a pressure meter pressure relief hole is closed, a pump truck is slowly pressurized according to the minimum displacement (the pumping truck or other pressurizing equipment with rated working pressure higher than the pressure-testing pressure requirement is, after the pressure reaches the pressure test requirement, closing an oil pipe plug valve (preventing the cement truck from leaking inwards), accurately recording the data change of the pressure gauge, and completing the pressure test requirement;
if a large-size tubing hanger is used, a reducing short section with the length of 0.5m is needed to connect the tubing hanger to the male buckle b2-4, and the half seal and the full seal rubber of the blowout preventer are exchanged up and down.
In such a way, the blowout preventer pressure testing device based on the rotary layer well or the lost circulation well without bridging plugs is provided with the blind plug 2-5, the blind plug 2-5 is connected with the oil pipe hanger through the male buckle b2-4 and can be isolated from the lower lost circulation well shaft, and the male buckle b2-4 is connected to ensure the safety of the pressure testing process; the pressure test of the wellhead blowout preventer can be carried out without opening a bridge plug in a rotary layer well or opening a bridge plug in a leaking well, so that the well control safety is guaranteed, the reservoir pollution is reduced, the construction cost is reduced, the operation period is shortened, and the wellhead blowout preventer is simple in structure and easy to operate.
Claims (4)
1. A blowout preventer pressure testing device based on a rotary layer well or a lost circulation well without bridge plug opening is characterized by comprising a pressure testing short section (2), wherein one end of the pressure testing short section (2) is connected with a cross joint (1);
the four-way joint (1) comprises a four-way joint body (1-2), and female buttons (1-1) are arranged inside four ports of the four-way joint body (1-2);
the pressure test short section (2) comprises a short section body (2-1), one end of the short section body (2-1) is provided with a blind plug (2-5), the outer circumference of the blind plug (2-5) is provided with a male buckle b (2-4), two holes (2-2) are symmetrically formed in the circumference of one end, close to the blind plug (2-5), of the short section body (2-1), a male buckle a (2-3) is arranged on the outer circumference of the other end of the short section body (2-1), and the male buckle a (2-3) is connected with a female buckle (1-1).
2. The blowout preventer pressure testing device based on no bridge plug of a rotary layer well or a lost circulation well is characterized in that the diameter of the two holes (2-2) is 10 mm.
3. The blowout preventer pressure testing device based on no bridge plug of a rotary layer well or a lost circulation well is characterized in that the thickness of each end of the nipple body (2-1) is larger than that of the middle part, the thickness of each end is 16.8mm, the length of each thickened part is 15cm, the thickness of the middle part is 14mm, the inner diameter of the nipple body (2-1) is 45mm, and the length of the nipple body (2-1) is 1-1.5 m.
4. The blowout preventer pressure testing device based on no-bridging plug of a rotary layer well or a lost circulation well is characterized in that the short section body (2-1) and the blind plug (2-5) are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586914.8U CN213392124U (en) | 2020-08-04 | 2020-08-04 | Blowout preventer pressure testing device based on no bridge plug of rotary layer well or lost circulation well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586914.8U CN213392124U (en) | 2020-08-04 | 2020-08-04 | Blowout preventer pressure testing device based on no bridge plug of rotary layer well or lost circulation well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392124U true CN213392124U (en) | 2021-06-08 |
Family
ID=76203183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021586914.8U Expired - Fee Related CN213392124U (en) | 2020-08-04 | 2020-08-04 | Blowout preventer pressure testing device based on no bridge plug of rotary layer well or lost circulation well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392124U (en) |
-
2020
- 2020-08-04 CN CN202021586914.8U patent/CN213392124U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |