CN109236269A - A kind of water breakthrough influences the test device and method of cementing quality - Google Patents
A kind of water breakthrough influences the test device and method of cementing quality Download PDFInfo
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- CN109236269A CN109236269A CN201710546696.1A CN201710546696A CN109236269A CN 109236269 A CN109236269 A CN 109236269A CN 201710546696 A CN201710546696 A CN 201710546696A CN 109236269 A CN109236269 A CN 109236269A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 61
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000010008 shearing Methods 0.000 claims abstract description 12
- 238000010998 test method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000011799 hole material Substances 0.000 claims 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000004445 quantitative analysis Methods 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000011156 evaluation Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/007—Measuring stresses in a pipe string or casing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses test devices and method that a kind of water breakthrough influences cementing quality, belong to oil gas field cementing technology field.The test device that the water breakthrough influences cementing quality includes sleeve, temperature bath, ring set, first pipeline and the second pipeline, realize the water breakthrough process between the simulation well cementation waiting-on-cement, by the way that the sleeve for filling cement slurry is placed in the temperature bath for filling with the liquid of steady temperature, and place preset time, after preset time, sleeve is taken out from temperature bath, wherein cement slurry is solidified as cement in cylinder, the shearing force between cylinder inboard wall and cement is obtained using press machine, and then obtain interface cementing strength, quantitative analysis is realized using interface cementing strength and evaluates the cementing quality under the influence of water breakthrough, according to evaluation result, the optimization to well cementation annular space slurry rod structure may be implemented, so as to guide the cementing operation at scene.
Description
Technical field
The invention belongs to oil gas field cementing technology field, in particular to a kind of water breakthrough influence cementing quality test device and
Method.
Background technique
The reservoir of water flooding block due to long-term injecting water develop, in same barefoot interval there is normal pressure layer,
Low pressure layer and high pressure water layer, between the waiting-on-cement of cementing the well, the water flooding of high pressure water layer easily scurries into annular space, i.e. generation water breakthrough, stratum
Water carries out erosion to cement slurry or streams, and so that the cementation interface of cement and the borehole wall is generated microannulus, influences cementing quality.Test is simultaneously
The cement slurry influence of water breakthrough degree to cementing quality between the waiting-on-cement in annular space is evaluated, is to guarantee cementing operation safety and improve to infuse
The key of water development block cementing quality.
Cementing quality aspect relevant test device not yet is influenced for the water breakthrough of waterflooding extraction block in the prior art
And method.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems:
Due to not influencing the test device and method of cementing quality on the water breakthrough of waterflooding extraction block in the prior art, no
The case where influencing cementing quality to water breakthrough before practical operation, carries out quantitative assessment, in realistic well condition, if same
There is high pressure water layer, normal pressure layer and low pressure layers in one well section, and higher shaft bottom well cementation annular space slurry column pressure is in pressure stable high-pressure water
While layer, easily pressure leaks low pressure layer, leads to the generation of leakage in well cementing process, causes cement to return high not enough, serious to make oil
Well is scrapped.
Summary of the invention
In consideration of it, the present invention provides the test device and method of a kind of water breakthrough influence cementing quality, it can be used for quantitative analysis
Cementing quality under the influence of water breakthrough, so as to guide the cementing operation at scene.
Specifically, including technical solution below:
On the one hand, a kind of water breakthrough influences the test device of cementing quality, and the test device includes: sleeve, temperature bath, ring
Set, the first pipeline and the second pipeline, wherein
The sleeve includes cylinder, upper cover and lower cover, and the upper cover lid is located at the upper end of the cylinder, under described
Cover lid is located at the lower end of the cylinder；
The ring set is set on the cylinder, be provided with annular groove on the inner wall of the ring set and in the outer of the cylinder
Annular space is formed between wall and the inner wall of the ring set；
The sleeve for being arranged with the ring set is uprightly placed in the temperature bath；
The cylinder offers at least one first through hole for being connected to the cylinder lumen with the annular space；
Offer the second through-hole on the ring set, first pipeline is connected to second through-hole and empty with the annular
Between be connected to；The upper cover offers third through-hole, second pipeline be connected to the third through-hole and in the cylinder
Portion's connection.
Further, filling can cross the dense material of water in the first through hole.
Further, the test device further includes constant pressure pump, and the constant pressure pump is connected with first pipeline.
Further, the test device further includes the first valve and the second valve, and first valve is arranged described
On first pipeline, second valve is arranged on second pipeline.
Further, the outer wall of the cylinder is equipped with external screw thread, and the inner wall of the ring set is equipped with internal screw thread, the internal screw thread
Cooperate with the external screw thread.
Further, the outer wall of the cylinder is equipped with convex block in predeterminated position, and the convex block is for stopping under the ring set
It moves.
Further, the temperature bath is filled with the liquid of steady temperature, and the value range of the steady temperature is 50~
95℃。
Further, the extension line of the outer capping of the upper cover is lower than horizontal line of the pond along place of the temperature bath.
On the other hand, a kind of water breakthrough influences the test method of cementing quality, influences cementing quality using the water breakthrough
Test device, the test method include:
The sleeve for filling cement slurry is placed in the temperature bath for filling with the liquid of steady temperature, and is placed default
Time；
After the preset time, the sleeve is taken out from the temperature bath, wherein the cement slurry is in the cylinder
In be solidified as cement；
The shearing force between the cylinder inboard wall and the cement is obtained using press machine；
According to the shearing force between the cylinder inboard wall and the cement, interface cementing strength is obtained.
Further, described that the sleeve for filling cement slurry is placed in the temperature bath for filling with the liquid of steady temperature
In before, the method also includes: under default pump pressure, from first pipeline by the annular space to filling water in advance
Water flooding is injected in the cylinder of mud.
Technical solution provided in an embodiment of the present invention the utility model has the advantages that
It is filled using the test that the water breakthrough that sleeve, temperature bath, ring set, the first pipeline and the second pipeline are constituted influences cementing quality
It sets, realizes the water breakthrough process between the simulation well cementation waiting-on-cement, fill with steady temperature by the way that the sleeve for filling cement slurry to be placed in
In the temperature bath of liquid, and preset time is placed, after preset time, sleeve is taken out from temperature bath, wherein cement slurry is in cylinder
It is solidified as cement in vivo, obtains the shearing force between cylinder inboard wall and cement using press machine, and then obtain interface cementing strength,
Quantitative analysis is realized using interface cementing strength and evaluates the cementing quality under the influence of water breakthrough, may be implemented according to evaluation result
Optimization to well cementation annular space slurry rod structure, so as to guide the cementing operation at scene.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram for the test device that a kind of water breakthrough that the embodiment of the present invention one provides influences cementing quality；
Fig. 2 is the method flow diagram for the test method that a kind of water breakthrough provided by Embodiment 2 of the present invention influences cementing quality.
Appended drawing reference in figure respectively indicates are as follows:
1, sleeve；
1-1, cylinder；
1-2, lower cover；
1-3, upper cover；
1-4, third through-hole；
1-5, first through hole；
2, ring set；
2-1, annular groove；
2-2, the second through-hole；
3, temperature bath；
4, the first pipeline；
5, the second pipeline；
6, the first valve；
7, the second valve；
8, constant pressure pump.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.
Embodiment one
The embodiment of the invention provides the test device that a kind of water breakthrough influences cementing quality, structural schematic diagram such as Fig. 1 institutes
Show, including sleeve 1, temperature bath 3, ring set 2, the first pipeline 4 and the second pipeline 5.
Sleeve includes cylinder 1-1, upper cover 1-3 and lower cover 1-2, and upper cover 1-3 lid is located at the upper end of cylinder 1-1, under
Cover 1-2 covers the lower end for being located at cylinder 1-1.
Ring set 2 is set on cylinder 1-1, be provided with annular groove 2-1 on the inner wall of ring set 2 and the outer wall of cylinder 1-1 with
Annular space is formed between the inner wall of ring set 2.
The sleeve 1 for being arranged with ring set 2 is uprightly placed in temperature bath 3.
Cylinder 1-1 offers at least one first through hole 1-5 for being connected to the inner cavity cylinder 1-1 with annular space.
The second through-hole 2-2 is offered on ring set 2, the first pipeline 4 is connected to the second through-hole 2-2 and is connected to annular space；
Upper cover 1-3 offers third through-hole 1-4, and the second pipeline 5 is connected to third through-hole 1-4 and is connected to the inside cylinder 1-1.
Therefore, the embodiment of the present invention water breakthrough influence cementing quality test device by sleeve 1, temperature bath 3, ring set 2,
First pipeline 4 and the second pipeline 5, so as to fill cement from the first pipeline 4 to be placed in the temperature bath 3 for filling with isothermal liquid
It is passed through water flooding in the sleeve 1 of slurry, using the annular groove 2-1 in ring set 2 between the outer wall of cylinder 1-1 and the inner wall of ring set 2
Annular space is formed, realizes that water flooding enters the buffer area before sleeve 1, to simulate the water breakthrough process between the well cementation waiting-on-cement,
In this way, the test device can be used for the cementing quality under the influence of quantitative analysis water breakthrough, so as to guide the cementing operation at scene.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, filling can cross water in first through hole 1-5
Dense material, material can be artificial core or the resinous material with permeability, so that having at first through hole 1-5 certain
Permeability, and the value of the permeability is same or similar with the value of in-place permeability, to simulate water breakthrough under reality
The case where influencing cementing quality.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, test device not only includes above-mentioned set
Cylinder 1, temperature bath 3, ring set 2, the first pipeline 4 and the second pipeline 5, test device further include constant pressure pump 8, constant pressure pump 8 and the first pipe
Line 4 is connected, and pump pressure can be set in constant pressure pump 8, in the case where default pump pressure, is injected by the first pipeline 4 into sleeve 1 default
The water flooding of pump pressure presets the value of pump pressure as cement slurry in the value formation pressure and pit shaft at actual formation mesohigh water layer
The difference of bottom pressure value when " weightlessness ", wherein the value of the value formation pressure at actual formation mesohigh water layer is that scene is surveyed
Examination obtains, and bottom pressure value is to be calculated when cement slurry " weightlessness " in pit shaft.
Meanwhile test device further includes the first valve 6 and the second valve 7, the first valve 6 is arranged on the first pipeline 4, uses
In the connection for controlling the first pipeline 4；Second valve 7 is arranged on the second pipeline 5, for controlling the connection of the second pipeline 5, so that
When testing beginning, constant pressure pump 8 may be implemented into the sleeve 1 for filling cement slurry by opening the first valve 6 and the second valve 7
Water flooding is injected, since cement slurry is alkalinity, i.e. pH value is greater than 7, when the pH value of the mixture flowed out from the second pipeline 5 is equal to
When 7, closing the first valve 6 and the second valve 7 may be implemented to coagulate the time for the sleeve 1 for filling cement slurry.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, the outer wall of cylinder 1-1 is equipped with external screw thread,
The inner wall of ring set 2 is equipped with internal screw thread, and internal screw thread and external screw thread cooperate, and ring set 2 is rotated from the upper end of cylinder 1-1 to pre-
If position, which can be located at the middle and lower part of cylinder 1-1.
It should be noted that the outer wall of cylinder 1-1 is equipped with convex block in predeterminated position, convex block, can for stopping ring set 2 to move down
To guarantee that cylinder 1-1 and the position of ring set 2 are relatively fixed.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, upper cover 1-3 and cylinder 1-1, lower cylinder
Lid 1-2 can be connected with cylinder 1-1 by screw thread.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, temperature bath 8 is filled with steady temperature
Liquid, the value range of steady temperature are 50~95 DEG C, are in formation temperature for it is solidifying to guarantee to fill the time of sleeve 1 of cement slurry
Lower progress, the well cementation situation under the influence of real simulation actual formation water breakthrough may be implemented.
In the test device that the water breakthrough of the embodiment of the present invention influences cementing quality, the extension of the outer capping of upper cover 1-3
Line is lower than horizontal line of the pond along place of temperature bath 3, so that sleeve 1 is integrally located in temperature bath 3, guarantees the water in sleeve 1
Mud is waited solidifying at the formation temperature.
In the actual use process, six steps is divided to realize the operation to test device, specific as follows:
First, lower cover 1-2 is connect with cylinder 1-1, it is ensured that tight seal between lower cover 1-2 and cylinder 1-1 will bore
Well liquid is poured into cylinder 1-1 and then to pour out drilling fluid, it is ensured that part drilling fluid can full of drilling fluid in cylinder 1-1
To realize wall built-up, then natural air drying 5 minutes, then cement slurry is poured into cylinder 1-1.
Second, ring set 2 is rotated from the upper end of cylinder 1-1 to predetermined position, upper cover 1-3 is connect with cylinder 1-1, structure
At complete sleeve 1.
First pipeline 4 is connected by the second through-hole 2-2 with ring set 2, the first pipeline 4 is connected with constant pressure pump 8 by third；
Second pipeline 5 is connected by third through-hole 1-4 with upper cover 1-3.
4th, the assembled device comprising sleeve 1, ring set 2, the first pipeline 4 and the second pipeline 5 is put into temperature bath
In 3, it is ensured that sleeve 1 is uprightly placed in temperature bath 3.
5th, the first valve 6 and the second valve 7 are opened, so that the water flooding in constant pressure pump is flowed into ring from the first pipeline 4
In shape space.
6th, when the pH value for detecting the mixture flowed out from the second pipeline 5 is equal to 7, close the first valve 6 and second
Valve 7 places preset time.
Embodiment two
The test method for present embodiments providing a kind of water breakthrough influence cementing quality, utilizes water breakthrough to influence the survey of cementing quality
Trial assembly, which is set, to be tested, and test method process is as shown in Fig. 2, specific as follows:
Step 101: the sleeve for filling cement slurry being placed in the temperature bath for filling with the liquid of steady temperature, and is placed default
Time.
Before this step, under default pump pressure, pass through annular space to the cylinder for filling cement slurry in advance from the first pipeline
The mixture of injection water flooding in vivo, water flooding and cement slurry can be flowed out from the second pipeline, in the exit of the second pipeline
The pH value for detecting mixture, since cement slurry is alkalinity, i.e. pH value is greater than 7, when the pH value of the mixture flowed out from the second pipeline
When equal to 7, determine that water breakthrough has affected well cementation, at this point, the first valve 6 and the second valve 7 are closed, so that cement slurry and stratum
The mixture of water is waited in sleeve 1 to coagulate, and it is that the time under the influence of water breakthrough is coagulated which, which coagulates state,.
It should be noted that the value of default pump pressure is in the value formation pressure and pit shaft at actual formation mesohigh water layer
The difference of bottom pressure value when cement slurry " weightlessness ", wherein the value of the value formation pressure at actual formation mesohigh water layer is
On-the-spot test obtains, and bottom pressure value is to be calculated when cement slurry " weightlessness " in pit shaft.
Specifically, the sleeve that cement slurry is filled under the solidifying state of this time is placed in the temperature bath for filling with steady temperature liquid,
Well cementation under simulated formation state, places preset time, and the value range of preset time is 24~72 hours, it is ensured that cement slurry exists
Solidification in cylinder.
Step 102: after preset time, sleeve is taken out from temperature bath, wherein cement slurry is solidified as cement in cylinder.
Step 103: the shearing force between cylinder inboard wall and cement is obtained using press machine.
Specifically, cover, lower cover and ring set are taken down, leaving behind solidification has the cylinder of cement, choose a radius with
The identical solid cylinder of cylinder internal diameter is placed below cylinder, and solid cylinder is placed on press machine together with cylinder.
Pressure is applied together to solid cylinder and cylinder using press machine is bottom-up, when the cement of solidification is separated with cylinder
When, the pressure peak that press machine measures is the shearing force between cylinder inboard wall and cement.
Step 104: according to the shearing force between cylinder inboard wall and cement, obtaining interface cementing strength.
Specifically, strong by interface agglutination according to the internal surface area of shearing force and cylinder between cylinder inboard wall and cement
The formula of degree calculates interface cementing strength, passes through the interface cementing strength quantitative assessment water breakthrough pair of cement in cylinder and cylinder inboard wall
The influence degree of cementing quality.
The calculation formula of interface cementing strength is as follows:
In formula: M is interface cementing strength, unit Pa；Shearing force of the F between cylinder inboard wall and cement, unit N；S
For the internal surface area of cylinder, unit m2。
It should be noted that repeating step 101-104 by the pump-in pressure for changing constant pressure pump, simulation may be implemented not
With influence of the water breakthrough to cementing quality under high pressure aquifer pressure and different slurry rod structures.
The embodiment of the present invention, which passes through, is placed in the sleeve for filling cement slurry in the temperature bath for filling with the liquid of steady temperature, and
It places preset time and takes out sleeve from temperature bath after preset time, wherein cement slurry is solidified as cement in cylinder, benefit
The shearing force between cylinder inboard wall and cement is obtained with press machine, and then obtains interface cementing strength, utilizes interface cementing strength
It realizes quantitative analysis and evaluates the cementing quality under the influence of water breakthrough, according to evaluation result, may be implemented to well cementation annular space slurry column
The optimization of structure, so as to guide the cementing operation at scene.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. the test device that a kind of water breakthrough influences cementing quality, which is characterized in that the test device include: sleeve, temperature bath,
Ring set, the first pipeline and the second pipeline, wherein
The sleeve includes cylinder, upper cover and lower cover, and the upper cover lid is located at the upper end of the cylinder, the lower cover
Lid is located at the lower end of the cylinder；
The ring set is set on the cylinder, be provided with annular groove on the inner wall of the ring set and the outer wall of the cylinder with
Annular space is formed between the inner wall of the ring set；
The sleeve for being arranged with the ring set is uprightly placed in the temperature bath；
The cylinder offers at least one first through hole for being connected to the cylinder lumen with the annular space；
The second through-hole is offered on the ring set, first pipeline is connected to second through-hole and connects with the annular space
It is logical；The upper cover offers third through-hole, and second pipeline is connected to the third through-hole and connects with the inner barrel
It is logical.
2. test device according to claim 1, which is characterized in that filling can cross the fine and close material of water in the first through hole
Material.
3. test device according to claim 1, which is characterized in that the test device further includes constant pressure pump, the perseverance
Press pump is connected with first pipeline.
4. test device according to claim 1, which is characterized in that the test device further includes the first valve and second
Valve, first valve are arranged on first pipeline, and second valve is arranged on second pipeline.
5. test device according to claim 1, which is characterized in that the outer wall of the cylinder is equipped with external screw thread, the ring
The inner wall of set is equipped with internal screw thread, and the internal screw thread and the external screw thread cooperate.
6. test device according to claim 1, which is characterized in that the outer wall of the cylinder is equipped with convex in predeterminated position
Block, the convex block is for stopping the ring set to move down.
7. test device according to claim 1, which is characterized in that the temperature bath is filled with the liquid of steady temperature,
The value range of the steady temperature is 50~95 DEG C.
8. test device according to claim 1, which is characterized in that the extension line of the outer capping of the upper cover is lower than institute
State horizontal line of the pond along place of temperature bath.
9. the test method that a kind of water breakthrough influences cementing quality, which is characterized in that apply the described in any item water of claim 1-8
The test device for influencing cementing quality is altered, the test method includes:
When the sleeve for filling cement slurry being placed in the temperature bath for filling with the liquid of steady temperature, and placing default
Between；
After the preset time, the sleeve is taken out from the temperature bath, wherein the cement slurry coagulates in the cylinder
Admittedly being cement；
The shearing force between the cylinder inboard wall and the cement is obtained using press machine；
According to the shearing force between the cylinder inboard wall and the cement, interface cementing strength is obtained.
10. test method according to claim 9, which is characterized in that described to be placed in the sleeve for filling cement slurry
Before filling in the temperature bath of the liquid of steady temperature, the method also includes: under default pump pressure, from first pipe
Line injects water flooding into the cylinder for filling cement slurry in advance by the annular space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546696.1A CN109236269B (en) | 2017-07-06 | 2017-07-06 | Device and method for testing influence of water channeling on well cementation quality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546696.1A CN109236269B (en) | 2017-07-06 | 2017-07-06 | Device and method for testing influence of water channeling on well cementation quality |
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| CN109236269A true CN109236269A (en) | 2019-01-18 |
| CN109236269B CN109236269B (en) | 2023-08-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376360A (en) * | 2019-07-18 | 2019-10-25 | 中国石油集团渤海钻探工程有限公司 | One kind is for testing the anti-water breakthrough performance devices of cement slurry |
| CN111691874A (en) * | 2020-05-18 | 2020-09-22 | 中海油田服务股份有限公司 | Evaluation device and evaluation method for waterproof channeling effect of cement paste |
| CN112881265A (en) * | 2021-03-01 | 2021-06-01 | 西南石油大学 | Quantitative in-situ evaluation method for pore connectivity in well cementation cement slurry solidification process |
| CN113075265A (en) * | 2021-03-19 | 2021-07-06 | 西南石油大学 | Method for rapidly and quantitatively testing water invasion resistance of cement slurry |
| CN115653579A (en) * | 2022-11-04 | 2023-01-31 | 西南石油大学 | Rapid formation pressure measuring instrument |
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| CN112881265A (en) * | 2021-03-01 | 2021-06-01 | 西南石油大学 | Quantitative in-situ evaluation method for pore connectivity in well cementation cement slurry solidification process |
| CN113075265A (en) * | 2021-03-19 | 2021-07-06 | 西南石油大学 | Method for rapidly and quantitatively testing water invasion resistance of cement slurry |
| CN113075265B (en) * | 2021-03-19 | 2022-02-08 | 西南石油大学 | Method for rapidly and quantitatively testing water invasion resistance of cement slurry |
| CN115653579A (en) * | 2022-11-04 | 2023-01-31 | 西南石油大学 | Rapid formation pressure measuring instrument |
| CN115653579B (en) * | 2022-11-04 | 2024-05-14 | 西南石油大学 | Fixing device for stratum pressure rapid measuring instrument |
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