CN211348108U - Visual leaking stoppage evaluation device - Google Patents
Visual leaking stoppage evaluation device Download PDFInfo
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- CN211348108U CN211348108U CN201921471745.0U CN201921471745U CN211348108U CN 211348108 U CN211348108 U CN 211348108U CN 201921471745 U CN201921471745 U CN 201921471745U CN 211348108 U CN211348108 U CN 211348108U
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- 230000000007 visual effect Effects 0.000 title claims abstract description 72
- 238000011156 evaluation Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 239000012780 transparent material Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 23
- 239000011148 porous material Substances 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a visual leaking stoppage evaluation device, which comprises a simulation shaft mechanism, a simulation stratum mechanism and a measuring mechanism which are connected in sequence; the simulated shaft mechanism comprises a compressed air source, a compressed air pipeline and a vertically arranged slurry containing pipe which are sequentially connected; the simulated formation mechanism comprises a visual pipe and an outlet valve which are horizontally arranged and sequentially connected, and the measuring mechanism is connected with the outlet valve; the visual leaking stoppage evaluation device simulates different pore stratums through particle fillers with different diameters, carries out pressurization plugging by using leaking stoppage slurry with certain concentration, observes the bridging plugging process and result of the leaking stoppage agent in pores, evaluates the effect of a leaking stoppage formula, can directly observe the plugging process, monitors at any time, and is convenient and easy to use.
Description
Technical Field
The utility model relates to an oil drilling equipment technical field, concretely relates to visual leaking stoppage evaluation device.
Background
The lost circulation is a common complex condition in the drilling process and is a common difficult problem existing since the drilling of the well, the loss of different degrees occurs in the drilling process of different areas, the pressure in the well is reduced due to the serious lost circulation, the normal drilling is influenced, the instability of the well wall is caused, the stratum fluid is induced to flow into the shaft and blow out, and the huge economic loss is caused.
At present, technologies such as bridge slurry leakage stoppage, high-water-loss leakage stoppage, cement leakage stoppage, gel leakage stoppage and the like are mostly adopted to treat well leakage. The bridge slurry leakage stoppage is the most common method for treating well leakage in drilling engineering, a leakage stoppage formula needs to be determined according to the conditions of leakage rate, leakage quantity, annular space liquid level height and the like before leakage stoppage construction, one of the difficulties is that the matching problem of the particle size of a leakage stoppage material and the size of pores of a stratum is difficult to accurately grasp, so that the leakage stoppage slurry needs to be evaluated and the formula needs to be adjusted according to requirements, but most of common leakage stoppage evaluation test devices in the prior art are sealing devices, the plugging condition of the leakage stoppage material on a leakage passage cannot be observed, and the problem that the matching degree of the adjusted leakage stoppage formula and the pore passage is still poor is often caused.
Therefore, how to provide a safe and reliable visual leaking stoppage evaluation device and an application method thereof is a problem to be urgently solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses in order to facilitate the observation lost circulation material to the shutoff situation of different pore sizes leakage passageways, analysis leaking stoppage mechanism provides the visual leaking stoppage evaluation device and the application method that can simulate different pore stratum, through simulating high porosity, high permeability stratum with the granule filler of single or combination different diameters, evaluates leaking stoppage thick liquid prescription, can direct observation leaking stoppage thick liquid bridging shutoff process, is favorable to the adjustment of leaking stoppage prescription, forms the leaking stoppage prescription that the effect is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a visual leaking stoppage evaluation device comprises a simulated shaft mechanism, a simulated stratum mechanism and a measuring mechanism which are sequentially connected;
the simulated shaft mechanism comprises a compressed air source, a compressed air pipeline and a slurry containing pipe which are vertically arranged, wherein the compressed air pipeline is connected with the top end of the slurry containing pipe;
the simulated formation mechanism comprises a visual pipe and an outlet valve which are horizontally arranged and are sequentially connected;
the visual pipe is connected with the bottom end of the pulp containing pipe through an elbow pipe, and a support frame is arranged on the bottom surface of the visual pipe;
the measuring mechanism is connected with the outlet valve.
Further, the compressed gas source is nitrogen.
Furthermore, a pressure regulating valve and a pressure gauge are arranged at the outlet of the compressed air source.
Furthermore, the pulp containing pipe, the elbow pipe and the visual pipe are connected by 1502-type union.
The beneficial effects of the further technical scheme are as follows: the union is forged by high-strength alloy steel, and strict heat treatment ensures that the joint has uniform and consistent metallographic structure and bearing capacity, and is convenient and quick to disassemble.
Further, the method also comprises the following steps: the supporting plate is an arc-shaped plate, the arc surface of the supporting plate faces upwards, the bottom surface of the supporting plate is connected with the supporting frame, a threaded pipe section is arranged at one end of the supporting plate, the threaded pipe section is connected with the elbow pipe, and the visual pipe is connected with the threaded pipe section.
The beneficial effects of the further technical scheme are as follows: the backup pad supports visual pipe wholly, promotes stability.
Furthermore, the size of the slurry containing pipe, the size of the elbow pipe and the size of the threaded pipe section are the same and are 1502 type union pipelines.
Furthermore, two end faces of the visual pipe are provided with filter screens.
The beneficial effects of the further technical scheme are as follows: and the influence of filler scattering on the simulation effect in the simulation process is avoided.
Furthermore, the outer wall of the visual pipe is coated with a visual reinforcing layer.
Furthermore, the pressure bearing of the visual pipe is more than 10 MPa.
Further, the method also comprises the following steps: and the heat insulation layer is coated on the outer wall of the visible tube and is made of transparent materials.
The beneficial effects of the further technical scheme are as follows: the simulation stratum can be heated according to the characteristics of the stratum and then is insulated, so that the simulation process is more accurate.
The utility model provides an as above visual leaking stoppage evaluation device's application method, including following step:
the method comprises the following steps: arrangement of mechanism for simulating stratum
After other devices except the outlet valve in the stratum simulating mechanism are integrally connected with the elbow pipe and the slurry containing pipe, gravel or other granular materials are filled in the visible pipe according to the characteristics of the stratum to simulate the pore condition of the stratum, then the outlet valve is connected, water is reversely filled into the visible pipe through the outlet valve according to the characteristics of the stratum, then the outlet valve is closed, and the measuring mechanism is connected;
step two: simulated grouting
Pouring the prepared and adjusted plugging slurry into a slurry containing pipe, connecting a compressed air source through a compressed air pipeline, opening an outlet valve, adjusting the pressure of the compressed air source to replace the plugging slurry until clear water or the plugging slurry flows out of the outlet valve;
step three: adjusting records
Adjusting the pressure of a compressed air source and the pressurizing amplitude to be 0.5MPa/10min, recording the liquid amount, the pressure and the filtration loss flowing out under different pressures, observing and recording the action condition of the plugging slurry in the simulated stratum through a visual pipe, and finally analyzing and evaluating the plugging slurry according to the standard.
According to the technical scheme, compare with prior art, the utility model provides a leak evaluation device and application method thereof, carry out the stratum simulation with the visual pipe, different hole stratum of granule filler combination simulation through different diameters, the shutoff of pressurizeing with the leaking stoppage thick liquid of certain concentration, and observe the plugging agent via the visual pipe and bridge plugging process and result in the hole, evaluate the effect of leaking stoppage prescription, this leaking stoppage evaluation device can directly observe the plugging process, and accomplish and monitor at any time along with parameter adjustment, convenient easy-to-use, and improve the connected mode, it dismantles simply swiftly, and convenient to accomodate and carry, applicable in any occasion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a cross-sectional view of a simulated formation of the present invention;
in the figure: 1. the device comprises a simulated shaft mechanism, 11, a compressed gas source, 12, a compressed gas pipeline, 13, a slurry containing pipe, 14, a pressure regulating valve, 15, a pressure gauge, 2, a simulated formation mechanism, 21, a visual pipe, 22, an outlet valve, 23, a support frame, 24, a support plate, 241, a threaded pipe section, 25, a visual reinforcing layer, 26, a heat insulation layer, 3, a measuring mechanism, 4 and an elbow pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in the attached figure 1, the visual leaking stoppage evaluation device comprises a simulated shaft mechanism 1, a simulated stratum mechanism 2 and a measuring mechanism 3 which are sequentially connected;
the simulated shaft mechanism 1 comprises a compressed air source 11, a compressed air pipeline 12 and a slurry containing pipe 13 which are vertically arranged, wherein the compressed air pipeline 12 is connected with the top end of the slurry containing pipe 13; the outlet of the compressed air source 1 is provided with a pressure regulating valve 11 and a pressure gauge 12;
the simulated formation mechanism 2 comprises a visual pipe 21 and an outlet valve 22 which are horizontally arranged and are connected in sequence; two end faces of the visual pipe 21 are provided with filter screens, and the outer wall of the visual pipe is coated with a visual reinforced layer 25 and a heat preservation layer 26 made of transparent materials;
the visual tube 21 is fixed on the support frame 23;
the measuring device 3 is connected to an outlet valve 22.
The pulp containing pipe 13, the elbow pipe 4 and the visible pipe 1 have the same specification and are connected by a union;
the use method comprises the following steps:
the method comprises the following steps: arrangement of mechanism for simulating stratum
Coating a visual reinforcing layer 25 and a heat-insulating layer 26 made of transparent materials on the outer wall of the visual pipe 21, then placing the visual pipe 21 on a support frame 23 and fixedly connecting the visual pipe 21, the elbow pipe 4 and the slurry containing pipe 13 into a whole, filling gravel or other granular materials into the visual pipe 21 from the other end of the visual pipe 21 according to the characteristics of the stratum to simulate the pore condition of the stratum, then connecting an outlet valve 22, reversely filling a certain amount of water into the visual pipe 21 through the outlet valve 22 according to the characteristics of the stratum, then closing the outlet valve 22, and connecting the measuring mechanism 3;
step two: simulated grouting
Pouring the prepared and adjusted plugging slurry into a slurry containing pipe 13, connecting a compressed air source 11 through a compressed air pipeline 12, opening an outlet valve 22, adjusting the pressure of the compressed air source 11 to replace the plugging slurry until clear water or the plugging slurry flows out of the outlet valve 22;
step three: adjusting records
The pressure of a compressed air source is adjusted by a pressure adjusting valve 11 and a pressure gauge 12, the pressurizing amplitude is 0.5MPa/10min, the liquid amount, the pressure and the filtration loss flowing out under different pressures are recorded, meanwhile, the action condition of the leaking stoppage slurry in a simulated stratum is observed and recorded by a visual pipe 21, finally, the leaking stoppage slurry is analyzed and evaluated according to the standard, and whether the formula of the leaking stoppage slurry needs to be changed or not is judged according to the evaluation result.
Example 2
As shown in the attached figure 1, the visual leaking stoppage evaluation device comprises a simulated shaft mechanism 1, a simulated stratum mechanism 2 and a measuring mechanism 3 which are sequentially connected;
the simulated shaft mechanism 1 comprises a compressed air source 11, a compressed air pipeline 12 and a slurry containing pipe 13 which are vertically arranged, wherein the compressed air pipeline 12 is connected with the top end of the slurry containing pipe 13; the outlet of the compressed air source 1 is provided with a pressure regulating valve 11 and a pressure gauge 12;
the simulated formation mechanism 2 comprises a visual pipe 21 and an outlet valve 22 which are horizontally arranged and are connected in sequence; two end faces of the visual pipe 21 are provided with filter screens, and the outer wall of the visual pipe is coated with a visual reinforced layer 25 and a heat preservation layer 26 made of transparent materials;
the device is characterized by further comprising a support frame 23 and a support plate 24, wherein the support plate 24 is an arc-shaped plate, the arc surface of the support plate is upward, the support frame 23 is connected to the bottom surface of the support plate 24, a threaded pipe section 241 is arranged at one end of the support plate 24, the threaded pipe section 241 is connected with the pulp containing pipe 13 through an elbow pipe 4, and the visual pipe 21 is connected with the threaded pipe section 241 and is placed in the arc-shaped cavity of the;
the measuring device 3 is connected to an outlet valve 22.
The pulp containing pipe 13, the elbow pipe 4 and the threaded pipe section 241 have the same specification and are 1502 type union pipelines. And adopts union connection;
the use method comprises the following steps:
the method comprises the following steps: arrangement of mechanism for simulating stratum
Coating a visual reinforcing layer 25 and a heat-insulating layer 26 made of transparent materials on the outer wall of the visual pipe 21, fixedly connecting a supporting plate 24 with a supporting frame 23, then placing the visual pipe 21 on the supporting plate 24, hermetically connecting one end of the visual pipe with the inner wall of a threaded pipe section 241, then integrally connecting the threaded pipe section 241 with the elbow pipe 4 and the slurry containing pipe 13, filling gravel or other granular materials into the visual pipe 21 from the other end of the visual pipe 21 according to the characteristics of the stratum to simulate the pore condition of the stratum, then connecting an outlet valve 22, reversely filling a certain amount of water into the visual pipe 21 through the outlet valve 22 according to the characteristics of the stratum, then closing the outlet valve 22, and connecting a measuring mechanism 3;
step two: simulated grouting
Pouring the prepared and adjusted plugging slurry into a slurry containing pipe 13, connecting a compressed air source 11 through a compressed air pipeline 12, opening an outlet valve 22, adjusting the pressure of the compressed air source 11 to replace the plugging slurry until clear water or the plugging slurry flows out of the outlet valve 22;
step three: adjusting records
The pressure of a compressed air source is adjusted by a pressure adjusting valve 11 and a pressure gauge 12, the pressurizing amplitude is 0.5MPa/10min, the liquid amount, the pressure and the filtration loss flowing out under different pressures are recorded, meanwhile, the action condition of the leaking stoppage slurry in a simulated stratum is observed and recorded by a visual pipe 21, finally, the leaking stoppage slurry is analyzed and evaluated according to the standard, and whether the formula of the leaking stoppage slurry needs to be changed or not is judged according to the evaluation result.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A visual leaking stoppage evaluation device is characterized by comprising a simulated shaft mechanism (1), a simulated stratum mechanism (2) and a measuring mechanism (3) which are sequentially connected;
the simulated shaft mechanism (1) comprises a compressed air source (11), a compressed air pipeline (12) and a slurry containing pipe (13) which are vertically arranged, wherein the compressed air pipeline (12) is connected with the top end of the slurry containing pipe (13);
the simulated formation mechanism (2) comprises a visual pipe (21) and an outlet valve (22) which are horizontally arranged and are connected in sequence;
the visual pipe (21) is connected with the bottom end of the pulp containing pipe (13) through an elbow pipe (4), and a support frame (23) is arranged on the bottom surface of the visual pipe (21);
the measuring mechanism (3) is connected with the outlet valve (22).
2. A visual leak stoppage evaluating device according to claim 1, wherein a pressure regulating valve (14) and a pressure gauge (15) are provided at an outlet of the compressed air source (11).
3. A visual leak stoppage evaluating device according to claim 1, wherein 1502 type union connection is adopted among the grout receiving pipe (13), the elbow pipe (4) and the visual pipe (21).
4. A visual leak stoppage evaluating device according to claim 1, further comprising: the support plate (24), the support plate (24) is arc-shaped plate and cambered surface upwards, the bottom surface of the support plate (24) is connected with the support frame (23), a threaded pipe section (241) is arranged at one end of the support plate (24), the threaded pipe section (241) is connected with the elbow pipe (4), and the visual pipe (21) is connected with the threaded pipe section (241).
5. A visual leaking stoppage evaluating device according to claim 4, wherein the size of the grout receiving pipe (13), the elbow pipe (4) and the threaded pipe section (241) are the same, and are 1502 type union pipelines.
6. A visual leak stoppage evaluating device according to claim 1, wherein both end surfaces of the visual tube (21) are provided with a filter net.
7. A visual leak stoppage evaluating device according to claim 1, wherein the outer wall of the visual tube (21) is coated with a visual reinforcing layer (25).
8. A visual leak stoppage evaluating device according to claim 1, wherein the pressure of the visual tube (21) is more than 10 MPa.
9. A visual leak stoppage evaluating device according to claim 1, further comprising: the heat insulation layer (26), the heat insulation layer (26) wraps the outer wall of the visual tube (21) and is made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471745.0U CN211348108U (en) | 2019-09-05 | 2019-09-05 | Visual leaking stoppage evaluation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471745.0U CN211348108U (en) | 2019-09-05 | 2019-09-05 | Visual leaking stoppage evaluation device |
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| CN211348108U true CN211348108U (en) | 2020-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487971A (en) * | 2019-09-05 | 2019-11-22 | 新疆格瑞迪斯石油技术股份有限公司 | A kind of visual leak stopping evaluating apparatus and its application method |
| CN113777029A (en) * | 2021-11-12 | 2021-12-10 | 成都理工大学 | Device and method for measuring adhesion strength between bridging lost circulation material and rock wall surface |
-
2019
- 2019-09-05 CN CN201921471745.0U patent/CN211348108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487971A (en) * | 2019-09-05 | 2019-11-22 | 新疆格瑞迪斯石油技术股份有限公司 | A kind of visual leak stopping evaluating apparatus and its application method |
| CN113777029A (en) * | 2021-11-12 | 2021-12-10 | 成都理工大学 | Device and method for measuring adhesion strength between bridging lost circulation material and rock wall surface |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A visual plugging evaluation device Effective date of registration: 20220325 Granted publication date: 20200825 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
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Date of cancellation: 20230320 Granted publication date: 20200825 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A visual plugging evaluation device Effective date of registration: 20230322 Granted publication date: 20200825 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200825 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |