CN212225201U - Simulation clamp holder for measuring leaking stoppage depth - Google Patents
Simulation clamp holder for measuring leaking stoppage depth Download PDFInfo
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- CN212225201U CN212225201U CN202020630428.5U CN202020630428U CN212225201U CN 212225201 U CN212225201 U CN 212225201U CN 202020630428 U CN202020630428 U CN 202020630428U CN 212225201 U CN212225201 U CN 212225201U
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Abstract
The utility model discloses a emulation holder for measuring leaking stoppage degree of depth, include: the device comprises a clamping device body, pressure measuring joints, a rubber cylinder, a simulated stratum leakage module and locking heads, wherein the clamping device body and the rubber cylinder are cylinders which are hollow inside and open at two ends; the upper end of the clamping device body is provided with a plurality of pressure measuring holes, the pressure measuring holes are internally provided with pressure measuring joints, and the bottoms of the pressure measuring joints are provided with vertical guide pipes extending downwards. The utility model discloses simple structure is reliable, has effectively realized the simulation test to the shutoff degree of depth of leaking stoppage thick liquid.
Description
Technical Field
The utility model relates to a petroleum instrument field especially relates to a emulation holder for measuring leaking stoppage degree of depth.
Background
In the process of petroleum drilling, stratum leakage is often encountered to cause the situation of plugging, and whether plugging is successful or not has a great relation with the type of stratum leakage, the composition of plugging slurry and the like. And the simulation is carried out on the factors by using instruments in a laboratory, and the leakage stoppage experiment is carried out indoors, so that the on-site leakage stoppage success rate can be improved, and the leakage stoppage construction cost can be reduced. At present, various types of leakage stoppage instruments such as a static leakage stoppage instrument, a dynamic leakage stoppage instrument and the like exist in the market. However, the leakage stoppage instruments can only perform leakage stoppage pressure-bearing strength experiments but cannot test the leakage stoppage depth of the leakage stoppage slurry, and the plugging depth of the leakage stoppage slurry is of great importance to the leakage stoppage effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of relevant product among the prior art, the utility model provides a emulation holder for measuring leaking stoppage degree of depth solves the problem that does not have the instrument that can test the leaking stoppage degree of depth of leaking stoppage thick liquid at present.
The utility model provides a emulation holder for measuring leaking stoppage degree of depth, include: the device comprises a clamping device body, pressure measuring joints, a rubber cylinder, a simulated stratum leakage module and locking heads, wherein the clamping device body and the rubber cylinder are cylinders which are hollow inside and open at two ends; the upper end of the clamping device body is provided with a plurality of pressure measuring holes, the pressure measuring holes are internally provided with pressure measuring joints, and the bottoms of the pressure measuring joints are provided with vertical guide pipes extending downwards; the upper half part of the simulated formation leakage module is provided with a plurality of liquid discharging holes in the vertical direction, the setting number and the setting positions of the liquid discharging holes are in one-to-one correspondence with the setting number and the setting positions of the pressure measuring holes, the rubber cylinder is provided with through holes corresponding to the positions of the liquid discharging holes, and the vertical guide pipe sequentially penetrates through the pressure measuring holes and the through holes and extends into the liquid discharging holes.
In some embodiments of the present invention, the bottom of the holder body is provided with a confining pressure pressurizing hole.
In some embodiments of the present invention, the pressure measuring joint is connected to the pressure measuring hole of the holder body by a screw thread, and the joint is sealed by an O-ring.
In some embodiments of the present invention, the hole pitch of the pressure measuring hole, the drain hole, and the through hole is the same.
Compared with the prior art, the utility model discloses there is following advantage:
a emulation holder for measuring leaking stoppage degree of depth includes the clamping device body, pressure measurement joint, a rubber cylinder, simulation stratum leakage module and locking head, thereby can judge the leaking stoppage degree of depth according to the site pressure of drilling fluid in the perpendicular pipe of pressure measurement joint, simple structure is reliable, has effectively realized the simulation test to the plugging depth of leaking stoppage thick liquid.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the simulation holder for measuring the plugging depth of the present invention;
fig. 2 is a cross-sectional view of the simulated formation leakage module of the present invention.
Description of reference numerals:
1-a holder body, 2-a pressure measuring joint, 3-a rubber cylinder, 4-a simulated formation leakage module, 5-a confining pressure pressurizing hole, 6-a locking head, 20-a vertical conduit, 40-a liquid discharging hole and 60-a liquid conveying hole.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary of the invention, and that no limitations are intended to the details of construction or design herein shown. The present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of providing a more thorough understanding of the present disclosure.
Referring to fig. 1-2, the simulation holder for measuring the leaking stoppage depth comprises a holder body 1, a pressure measuring joint 2, a rubber cylinder 3, a simulated formation leakage module 4 and locking heads 6, wherein the holder body 1 and the rubber cylinder 3 are both cylinders which are hollow inside and open at two ends, the rubber cylinder 3 is arranged inside the holder body 1, the simulated formation leakage module 4 is arranged inside the rubber cylinder 3, the two locking heads 6 respectively penetrate through two ends of the holder body 1 and the rubber cylinder 3 and are attached to the end part of the simulated formation leakage module 4, the locking heads 6 are provided with infusion holes 60 communicated with the outside along the axial direction, and the infusion holes 60 are communicated with the simulated formation leakage module 4; the upper end of the clamping device body 1 is provided with a plurality of pressure measuring holes, the pressure measuring holes are internally provided with the pressure measuring connectors 2, and the bottoms of the pressure measuring connectors 2 are provided with vertical guide pipes 20 extending downwards; the upper half part of the simulated formation leakage module is provided with a plurality of liquid discharge holes 40 in the vertical direction, the setting number and the setting position of the liquid discharge holes 40 are in one-to-one correspondence with the setting number and the setting position of the pressure measuring holes, the rubber cylinder 3 is provided with through holes corresponding to the positions of the liquid discharge holes 40, and the vertical guide pipe 20 sequentially penetrates through the pressure measuring holes and the through holes and extends into the liquid discharge holes 40.
The bottom of the holder body 1 is provided with a confining pressure pressurizing hole 5, and the confining pressure pressurizing hole 5 is communicated with an external pressurizing pump and is used for applying pressure to the inside of the holder body 1.
The pressure measuring joint 2 is in threaded connection with the pressure measuring hole of the clamping device body 1, and the connection position is sealed by an O-shaped ring.
The hole distances of the pressure measuring holes, the liquid discharging holes 40 and the through holes are the same.
A concrete theory of operation for measuring emulation holder of leaking stoppage degree of depth is as follows: after the simulation clamp holder is installed as shown in fig. 1, a liquid inlet pipeline or a liquid outlet pipeline is installed on a liquid conveying hole 60 of a locking head 6, a pressure pump is connected to a confining pressure pressurizing hole 5, drilling fluid for plugging is pumped into a clamp body 1 through the locking head 6 at one end by using a displacement pump, the drilling fluid enters a simulated formation leakage module and then enters a liquid discharging hole 40, then the pressure sensor arranged in a pressure measuring joint 2 can detect the site pressure of the drilling fluid in a vertical conduit 20, if plugging occurs, no liquid enters the liquid discharging hole 40 behind the plugging point, the pressure measuring joint 2 cannot detect the pressure at the position behind the plugging point, and at the moment, the plugging depth can be judged according to the site pressure of the drilling fluid in the vertical conduit 20, the structure is simple and reliable, and the simulation test of the plugging depth of the plugging slurry is effectively realized.
Those not described in detail in this specification are within the skill of the art. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (4)
1. A simulated holder for measuring leak stoppage depth, comprising: the device comprises a clamping device body, pressure measuring joints, a rubber cylinder, a simulated stratum leakage module and locking heads, wherein the clamping device body and the rubber cylinder are cylinders which are hollow inside and open at two ends; the upper end of the clamping device body is provided with a plurality of pressure measuring holes, the pressure measuring holes are internally provided with pressure measuring joints, and the bottoms of the pressure measuring joints are provided with vertical guide pipes extending downwards; the upper half part of the simulated formation leakage module is provided with a plurality of liquid discharging holes in the vertical direction, the setting number and the setting positions of the liquid discharging holes are in one-to-one correspondence with the setting number and the setting positions of the pressure measuring holes, the rubber cylinder is provided with through holes corresponding to the positions of the liquid discharging holes, and the vertical guide pipe sequentially penetrates through the pressure measuring holes and the through holes and extends into the liquid discharging holes.
2. The simulated holder for measuring the depth of lost circulation according to claim 1, wherein: and the bottom of the clamping device body is provided with a confining pressure pressurizing hole.
3. The simulated holder for measuring the depth of lost circulation according to claim 1, wherein: the pressure measuring joint is in threaded connection with a pressure measuring hole of the clamping device body, and the joint is sealed by an O-shaped ring.
4. The simulated holder for measuring the depth of lost circulation according to claim 1, wherein: the hole distances of the pressure measuring holes, the liquid discharging holes and the through holes are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630428.5U CN212225201U (en) | 2020-04-23 | 2020-04-23 | Simulation clamp holder for measuring leaking stoppage depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630428.5U CN212225201U (en) | 2020-04-23 | 2020-04-23 | Simulation clamp holder for measuring leaking stoppage depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225201U true CN212225201U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020630428.5U Active CN212225201U (en) | 2020-04-23 | 2020-04-23 | Simulation clamp holder for measuring leaking stoppage depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225201U (en) |
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2020
- 2020-04-23 CN CN202020630428.5U patent/CN212225201U/en active Active
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