CN207499866U - A kind of experimental provision for being used to evaluate horizontal well plugging effect - Google Patents
A kind of experimental provision for being used to evaluate horizontal well plugging effect Download PDFInfo
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- CN207499866U CN207499866U CN201721620266.1U CN201721620266U CN207499866U CN 207499866 U CN207499866 U CN 207499866U CN 201721620266 U CN201721620266 U CN 201721620266U CN 207499866 U CN207499866 U CN 207499866U
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Abstract
The utility model provides a kind of experimental provision for being used to evaluate horizontal well plugging effect, including：Horizontal cylinder body, side wall are equipped with simulation fracture；Cylinder cap is arranged on one end of the horizontal cylinder body；Drilling tool is simulated, is extend into the horizontal cylinder body across the cylinder cap；Drilling tool displacement drive pumps, and is connected with the simulation drilling tool；Fluid-containing pot is connected by feed liquor pipeline with the simulation drilling tool；Circulating pump is arranged on the feed liquor pipeline；Lost fluid receiver is connected by missing pipeline with the simulation fracture.The experimental provision provided by the utility model for being used to evaluate horizontal well plugging effect, its down-hole formation temperature can be adjusted by temperature control system, fracture width is controllable, simulate the underground complex working condition of horizontal well well section leakage, it realizes applied to horizontal well performance Process of Leaking Stoppage, experimenter preferably can provide technical support for horizontal well plugging material in research drilling process according to simulation leakage situation adjustment testing instrument with plugging formula optimization.
Description
Technical field
The utility model is related to be used to the experimental provision of the parametric measurement of oil drilling more particularly to one kind evaluate water
The experimental provision of horizontal well plugging effect.
Background technology
Horizontal well refers to that hole angle reaches or close to 90 °, the well that well bore drills a certain length along the horizontal direction, general suitable
For the thin oil-gas Layer and fractured reservoirs of mid-later development phase oil gas block, its object is to increase the exposed of oil and gas reservoir
Area improves oil and gas production.In the drilling process of horizontal well, the contact area of drilling fluid and reservoir is big, and time of contact is long, then
In addition strata pressure caused by the long period of development of reservoir is in debt, it is easy to be missed in net horizontal section.If in addition, Annular Cuttings
Concentration is higher, forms cutting bed in horizontal segment, drilling fluid flow resistance is caused to increase, has inevitably enlarged the pressure difference to stratum, into
One step increases the risk of leakage.If leakage accident treatment is not in time, it not only can increase production cost when losing drilling fluid, bore
Solid phase particles in well liquid can also quickly invade reservoir fracture and therefore formation damage under positive differential pressure effect, seriously reduce oil
The development efficiency of gas resource.
At present, it is mostly to continue to use straight well section preferably with the indoor optimization of plugging formula for the interior of the plugging material of horizontal well
It misses what model carried out, there is no consideration horizontal segment slurry to the carrying capacity of plugging material, does not also account for blocking construction mistake
Cheng Zhong, the settlement action of plugging material under the effect of gravity, is applied so as to affect horizontal well leak stopping when crack is in upper wellbore
The success rate of work.
Therefore, on the experimental provision of evaluation horizontal well plugging effect, horizontal segment slurry how is taken into account to plugging material
Carrying capacity and the crack settlement action of plugging material under the effect of gravity in upper wellbore, improving the accuracy of evaluation is
Urgent problem to be solved.
Utility model content
The feature and advantage of the utility model are partly stated or can be shown from the description and easy in the following description
See or can be learnt by putting into practice the utility model.
To overcome problem of the prior art, the utility model provides a kind of experiment dress for being used to evaluate horizontal well plugging effect
It puts, including：
Horizontal cylinder body, side wall are equipped with simulation fracture；
Cylinder cap is arranged on one end of the horizontal cylinder body；
Drilling tool is simulated, is extend into the horizontal cylinder body across the cylinder cap；
Drilling tool displacement drive pumps, and is connected with the simulation drilling tool；
Fluid-containing pot is connected by feed liquor pipeline with the simulation drilling tool；
Circulating pump is arranged on the feed liquor pipeline；
Lost fluid receiver is connected by missing pipeline with the simulation fracture.
Optionally, it further includes into flow meters, is arranged on the feed liquor pipeline.
Optionally, it further includes：
Sliding block is arranged on the simulation fracture；
Displacement propeller is connected with the sliding block, for pushing sliding block to adjust the width of the simulation fracture；
Displacement boost pump is connected with the displacement propeller.
Optionally, return port is additionally provided on the cylinder cap, is connected by reflux pipeline with the fluid-containing pot.
Optionally, return flow meter is further included, is arranged on the reflux pipeline.
Optionally, it further includes：
Heating mantle is set in the outside of the horizontal cylinder body；
Temperature controller is connected with the heating mantle.
Optionally, leakage flow meter is further included, is arranged on the leakage pipeline.
Optionally, lost fluid volume gauger is further included, is connected with the lost fluid receiver.
The utility model provides a kind of experimental provision for being used to evaluate horizontal well plugging effect, simulates horizontal well well section
The underground complex working condition of leakage is realized applied to horizontal well performance Process of Leaking Stoppage, for horizontal well leak stopping in research drilling process
Material preferably optimizes with plugging formula provides technical support.
By reading specification, the feature of these technical solutions and interior will be best understood in those of ordinary skill in the art
Hold.
Description of the drawings
The utility model is specifically described below with reference to attached drawing and with reference to example, the advantages of the utility model and realization
Mode will be more obvious, and content is only used for the explanation to the utility model wherein shown in attached drawing, without forming to this reality
With it is novel in all senses on limitation, in the accompanying drawings：
Fig. 1 is the structure diagram for being used to evaluate the experimental provision of horizontal well plugging effect of the utility model embodiment.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of experimental provision for being used to evaluate horizontal well plugging effect, including level
Cylinder body 1, cylinder cap 2, simulation drilling tool 3, drilling tool displacement drive pump 4, fluid-containing pot 5, circulating pump 7, lost fluid receiver 16.
Wherein, horizontal cylinder body 1 is horizontally disposed, with simulation water horizontal well well section.The side wall of horizontal cylinder body 1 is equipped with simulation and splits
Seam 14；Simulation fracture 14 can be set perpendicular to horizontal cylinder body 1, and usually, simulation fracture 14 is set vertically upward.
Cylinder cap 2 is arranged on one end of horizontal cylinder body 1；Cylinder cap 2 is equipped with drilling tool hole and is passed through for simulation drilling tool 3；On cylinder cap 2 also
Equipped with return port 9；The return port 9 is connected by reflux pipeline 10 with fluid-containing pot 5.Reflux can be set to flow on reflux pipeline 10
Gauge 11, for measuring the flow of working solution in reflux pipeline 10 (drilling fluid or leak stopping slurry).
Simulation drilling tool 3 passes through the drilling tool hole on cylinder cap 2 to extend into horizontal cylinder body 1；Simulation drilling tool 3 also passes through feed liquor pipeline
6 are connected with fluid-containing pot 5；Liquid in fluid-containing pot 5 enters simulation drilling tool 3 and simulation torque and level by feed liquor pipeline 6
Annular space between cylinder body.It is additionally provided on feed liquor pipeline 6 into flow meters 8, for measuring the stream that leak stopping is starched in feed liquor pipeline 6
Amount.
Drilling tool displacement drive pump 4 is connected with simulation drilling tool 3；With displacement of the control simulation drilling tool 3 in horizontal cylinder body 1, mould
Relative position during plan leak stopping between drilling tool and crack.
Circulating pump 7 is arranged on feed liquor pipeline 6；For starching the leak stopping in fluid-containing pot 5 mould is entered via feed liquor pipeline
Intend the annular space between drilling tool 3, simulation drilling tool 3 and horizontal cylinder body 1, partly squeeze into simulation fracture 14, partly pass through returning on cylinder cap 2
Discharge orifice 9, reflux pipeline 10 are back to fluid-containing pot 5, so as to the blocking construction process of simulation water horizontal well well section.
Lost fluid receiver 16 is connected by missing pipeline with simulation fracture 14.In leakage pipeline Shanghai, leakage can be set
Flowmeter 15.In addition, it can include leakage liquid meter 17, is connected with implementing liquid receiver 16.Work in Process of Leaking Stoppage
Make liquid (drilling fluid or leak stopping slurry) and leakage collection 16 is entered by simulation fracture 14, uninterrupted can be by leakage flow meter
15 monitorings, leakage volume are monitored by lost fluid volume gauger 17.
In order to more easily change the size of simulation fracture, in one embodiment of the utility model, can also include：
Sliding block 18 is arranged on simulation fracture 14；Displacement propeller 19, is connected 18 with sliding block, for sliding block to be pushed to be split to adjust simulation
The width of seam 14；Displacement boost pump 20 is connected with displacement propeller 19.
In order to achieve the purpose that simulate down-hole formation temperature, heating mantle 12 and temperature controller 13 are further included；The heating mantle 12
It is set in the outside of horizontal cylinder body 1；Temperature controller 13 is connected with heating mantle 12.
In the specific implementation, computer 21 can also be included, helped with above-mentioned temperature controller 13, drilling tool displacement drive pump 4, displacement
Power pump 20, lost fluid volume gauger 17 are connected.It should be noted that above-mentioned temperature controller 13, drilling tool displacement drive pump 4,
Displacement boost pump 20, lost fluid volume gauger 17 can also be controlled by respective controller, without being controlled using computer 21
System.
Before test, temperature controller 13 is opened by computer 21, the heating temperature of heating mantle 12 is set, to simulate down-hole formation
Temperature；Displacement boost pump 20 is opened by computer 21, command displacement propeller 19 pushes the displacement of sliding block 18, reaches control mould
Intend the purpose of 14 width of crack.
During test, drilling fluid is put into horizontal cylinder body 1, full of simulation 3 inner cavity of drilling tool and simulation drilling tool 3 and horizontal cylinder
Annular space between body 1, leak stopping slurry are injected in fluid-containing pot 5, and open the circulation pump 7, leak stopping slurry sequentially enters mould by feed liquor pipeline 6
Intend the annular space between drilling tool 3, simulation drilling tool 3 and horizontal cylinder body 1, partly squeeze into simulation fracture 14, partly pass through returning on cylinder cap 2
Discharge orifice 9, reflux pipeline 10 are back to fluid-containing pot 5, so as to the blocking construction process of simulation water horizontal well well section.During this period, feed liquor
What is set on pipeline 6 is used to measure the flow of leak stopping slurry in feed liquor pipeline 6 into flow meters 8, and what is set on reflux pipeline 10 returns
Stream flowmeter 11 is used to measure the flow of working solution in reflux pipeline 10 (drilling fluid or leak stopping slurry), if leak stopping success, into liquid stream
The numerical value of gauge 8 is then equal with the numerical value of return flow meter 11；If leak stopping fails, drilling fluid and leak stopping slurry can then be split from simulation
It is flowed out in seam 14, the numerical value of return flow meter 11 is less than numerical value or nulling into flow meters 8；During simulated leaking stoppage process, mould
4 adjustments can be pumped by drilling tool displacement drive by intending the movement of drilling tool 3, for the opposite position during simulated leaking stoppage between drilling tool and crack
It puts；In addition, the working solution (drilling fluid or leak stopping slurry) in Process of Leaking Stoppage enters leakage collection 16 by simulation fracture 14,
Uninterrupted can be monitored by leakage flow meter 15, and leakage volume is monitored, and transfer data to by lost fluid volume gauger 17
Computer 21.Experimenter can match according to what simulation leakage situation (wastage, leak-off velocity) optimization sealing agent or leak stopping were starched
Side.
The utility model provides a kind of experimental provision for being used to evaluate horizontal well plugging effect, and down-hole formation temperature can
It is adjusted by temperature control system, fracture width is controllable, simulates the underground complex working condition of horizontal well well section leakage, realizes and be applied to
Horizontal well performance Process of Leaking Stoppage, experimenter can be according to simulation leakage situation adjustment testing instruments, for water in research drilling process
Horizontal well plugging material preferably optimizes with plugging formula provides technical support.
Above by reference to the preferred embodiment for having illustrated the utility model, it is new that those skilled in the art do not depart from this practicality
The scope and spirit of type can realize the utility model there are many variant scheme.For example, as the part of one embodiment
The feature for showing or describing can be used for another embodiment to obtain another embodiment.It these are only that the utility model is preferably feasible
Embodiment not thereby limits to the interest field of the utility model, all to use the utility model specification and accompanying drawing content
The equivalence changes made, are both contained within the interest field of the utility model.
Claims (8)
1. a kind of experimental provision for being used to evaluate horizontal well plugging effect, which is characterized in that including：
Horizontal cylinder body, side wall are equipped with simulation fracture；
Cylinder cap is arranged on one end of the horizontal cylinder body；
Drilling tool is simulated, is extend into the horizontal cylinder body across the cylinder cap；
Drilling tool displacement drive pumps, and is connected with the simulation drilling tool；
Fluid-containing pot is connected by feed liquor pipeline with the simulation drilling tool；
Circulating pump is arranged on the feed liquor pipeline；
Lost fluid receiver is connected by missing pipeline with the simulation fracture.
2. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that further include feed liquor
Flowmeter is arranged on the feed liquor pipeline.
3. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that further include：
Sliding block is arranged on the simulation fracture；
Displacement propeller is connected with the sliding block, for pushing sliding block to adjust the width of the simulation fracture；
Displacement boost pump is connected with the displacement propeller.
4. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that on the cylinder cap
Return port is additionally provided with, is connected by reflux pipeline with the fluid-containing pot.
5. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 4, which is characterized in that further include reflux
Flowmeter is arranged on the reflux pipeline.
6. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that further include：
Heating mantle is set in the outside of the horizontal cylinder body；
Temperature controller is connected with the heating mantle.
7. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that further include leakage
Flowmeter is arranged on the leakage pipeline.
8. it is used to evaluate the experimental provision of horizontal well plugging effect according to claim 1, which is characterized in that further include leakage
Liquid volume gauger is connected with the lost fluid receiver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721620266.1U CN207499866U (en) | 2017-11-28 | 2017-11-28 | A kind of experimental provision for being used to evaluate horizontal well plugging effect |
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| CN201721620266.1U CN207499866U (en) | 2017-11-28 | 2017-11-28 | A kind of experimental provision for being used to evaluate horizontal well plugging effect |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374859A (en) * | 2018-10-19 | 2019-02-22 | 成都理工大学 | A kind of adjustable crack core holding unit of slit width |
| CN110146649A (en) * | 2019-05-10 | 2019-08-20 | 中国石油大学(北京) | Leak stopping test device and leak stopping test method |
| 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 |
| CN110671073A (en) * | 2019-10-23 | 2020-01-10 | 南智（重庆）能源技术有限公司 | Three-dimensional leakage stoppage method for natural gas well shaft leakage and test device thereof |
| CN110887771A (en) * | 2018-09-11 | 2020-03-17 | 中国石油化工股份有限公司 | High-pressure dynamic pressure-bearing leakage stoppage evaluation instrument and leakage stoppage evaluation experimental method |
| CN112096341A (en) * | 2019-06-17 | 2020-12-18 | 中国石油化工股份有限公司 | Leakage simulation channel pipe, anti-impact release testing device and method |
-
2017
- 2017-11-28 CN CN201721620266.1U patent/CN207499866U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887771A (en) * | 2018-09-11 | 2020-03-17 | 中国石油化工股份有限公司 | High-pressure dynamic pressure-bearing leakage stoppage evaluation instrument and leakage stoppage evaluation experimental method |
| CN109374859A (en) * | 2018-10-19 | 2019-02-22 | 成都理工大学 | A kind of adjustable crack core holding unit of slit width |
| CN110146649A (en) * | 2019-05-10 | 2019-08-20 | 中国石油大学(北京) | Leak stopping test device and leak stopping test method |
| CN112096341A (en) * | 2019-06-17 | 2020-12-18 | 中国石油化工股份有限公司 | Leakage simulation channel pipe, anti-impact release testing device and method |
| 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 |
| CN110671073A (en) * | 2019-10-23 | 2020-01-10 | 南智（重庆）能源技术有限公司 | Three-dimensional leakage stoppage method for natural gas well shaft leakage and test device thereof |
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