CN102052073B - Sand-filled pipe combination device simulating two-dimensional drill core - Google Patents
Sand-filled pipe combination device simulating two-dimensional drill core Download PDFInfo
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- CN102052073B CN102052073B CN 201010602591 CN201010602591A CN102052073B CN 102052073 B CN102052073 B CN 102052073B CN 201010602591 CN201010602591 CN 201010602591 CN 201010602591 A CN201010602591 A CN 201010602591A CN 102052073 B CN102052073 B CN 102052073B
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- seal cover
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- out sand
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Abstract
本发明提供了一种模拟二维岩芯的填砂管组合装置。该组合装置包括由至少两段紧密连接的不等径圆柱筒体组成的多级圆柱筒体；所述多级圆柱筒体上设有密封盖A和密封盖B；所述密封盖A和密封盖B上分别设有密封管线接头a和密封管线接头b。本发明的装置可以模拟工作液在地层渗流时由于距离井筒中心距离的变化导致的渗流速度的变化；可以模拟由于渗流流速的变化导致的工作液性能的变化。本发明可以广泛应用于油田化学驱提高采收率工艺中。
The invention provides a sand filling pipe assembly device for simulating two-dimensional rock core. The combined device comprises a multi-stage cylindrical body composed of at least two sections of closely connected unequal-diameter cylindrical bodies; the multi-stage cylindrical body is provided with a sealing cover A and a sealing cover B; the sealing cover A and the sealing The cover B is respectively provided with a sealed pipeline joint a and a sealed pipeline joint b. The device of the invention can simulate the change of the seepage velocity caused by the change of the distance from the center of the wellbore when the working fluid seeps in the formation; it can simulate the change of the performance of the working fluid caused by the change of the seepage flow velocity. The invention can be widely used in oil field chemical flooding enhanced recovery technology.
Description
Technical field
The present invention relates to a kind of fill out sand tube device, belong to the oil field and annotate the stratum analogue means that gathers in the lab simulation technology that improves recovery ratio in the field.
Background technology
Annotate in the poly-field in the oil field, by fluid being flowed through core or filled quartz sand or the core fill out sand tube of the sand of appearing, by record relevant seepage parameters such as parameters such as pressure, flow velocity, obtain the information that needs then, the various designs that improve recovery ratio for the oil field provide reference frame.
At present, core or the fill out sand tube majority in the indoor seepage flow flow process is one dimension.So-called one dimension be exactly core or fill out sand tube all be isometrical, the change in size of having only axial length at the identical direction fill out sand tube of seepage flow, there is not change in size radially, this analogue means can not reflect in the actual displacement process variation of the seepage flow flow velocity that the variation with distance wellbore centre distance causes well, therefore has limitation in the lab simulation process.
Summary of the invention
The purpose of this invention is to provide a kind of fill out sand tube composite set of simulating two-dimentional core.
The fill out sand tube composite set of the two-dimentional core of simulation provided by the invention comprises the multistage cylindrical tube of being made up of at least two sections close-connected not isometrical cylindrical tubes; Described multistage cylindrical tube is provided with seal cover A and seal cover B; Be respectively equipped with sealed tube wire terminal a and sealed tube wire terminal b on described seal cover A and the seal cover B.
Above-mentioned fill out sand tube composite set connects by Connection Element between the described not isometrical cylindrical tube.
Can be between the above-mentioned fill out sand tube composite set, described not isometrical cylindrical tube and described Connection Element that thread seal is connected or interference fit.
Above-mentioned fill out sand tube composite set, described seal cover A are with described multistage cylindrical tube with seal cover B that thread seal is connected or interference fit, for described multistage cylindrical tube plays sealing function.Described seal cover A and seal cover B can be made by the material of energy bearing certain pressure.
Above-mentioned fill out sand tube composite set, described seal cover A can be with described sealed tube wire terminal a that thread seal is connected or interference fit, and described sealed tube wire terminal a can closely be connected to provide fluid course with indoor displacement pipeline.
Above-mentioned fill out sand tube composite set, described seal cover B can be with described sealed tube wire terminal b that thread seal is connected or interference fit, and described sealed tube wire terminal b can closely be connected to provide fluid course with indoor displacement pipeline.
Above-mentioned fill out sand tube composite set, described multistage cylindrical tube is provided with at least one sample tap; Described sample tap is provided with seal cover C; Described seal cover C is that thread seal is connected or interference fit with described multistage cylindrical tube.Displacement working solution sample can be obtained by described sample tap, thereby its pressure and other parameters can be tested.Obsolete the time, can use seal cover C to seal the passage of described sample tap.
Above-mentioned fill out sand tube composite set, the number of described sample tap can be regulated as required.
Above-mentioned fill out sand tube composite set, described sample tap can be 3.
Above-mentioned fill out sand tube composite set, described multistage cylindrical tube comprise 3 sections close-connected not isometrical cylindrical tubes.
Fill out sand tube composite set of the present invention has been owing to adopted above technical scheme, can analog operation liquid when stratum filtration because the variation of the seepage velocity that causes apart from the variation of wellbore centre distance; Can simulate because the working solution changes of properties that the variation of seepage flow flow velocity causes.The present invention can be widely used in oilfield chemistry and drive in the raising recovery ratio technology.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the fill out sand tube composite set of the two-dimentional core of simulation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing, but the present invention is not limited to following examples.
The fill out sand tube composite set of the two-dimentional core of simulation of the present invention as shown in Figure 1, each mark is as follows among the figure: 1 sealed tube wire terminal a, 2 seal cover A, 3,5,8 cylindrical tubes, 4,6 box cuplings, 7 sample taps, 9 seal cover B, 10 sealed tube wire terminal b, 11 seal cover C.
Fill out sand tube composite set of the present invention comprises the multistage cylindrical tube that waney cylindrical tube 3, cylindrical tube 5 and cylindrical tube 8 closely connect to form, and is used for providing the seepage channel of variation; Wherein, be tightly connected by box cupling 4 between cylindrical tube 3 and the cylindrical tube 5, be tightly connected by box cupling 6 between cylindrical tube 5 and the cylindrical tube 8; Cylindrical tube 3 is provided with seal cover A2, and cylindrical tube 8 is provided with seal cover B9, is used for cylindrical tube 3, the 5 and 8 multistage cylindrical tubes of forming are played sealing process; Seal cover A2 and seal cover B9 make by stainless steel; Seal cover A2 and seal cover B9 are tightly connected by screw thread and cylindrical tube 3 and cylinder 8 respectively; Seal cover A2 is provided with sealed tube wire terminal a1, and seal cover A2 is connected by thread seal with sealed tube wire terminal a1, is used for closely being connected to provide fluid course with indoor displacement pipeline; Seal cover B9 is provided with sealed tube wire terminal b10, and seal cover B9 is connected by thread seal with sealed tube wire terminal b10, is used for closely being connected to provide fluid course with indoor displacement pipeline; Respectively be provided with 1 sample tap 7 on the cylindrical tube 3,5 and 8, in needs, can be communicated with cylindrical tube 3,5 and 8 extraneous, carry out performance test thereby obtain working solution; Obsolete the time, can use the passage of seal cover C11 sealing sample tap 7.
In the above-mentioned fill out sand tube composite set of the present invention, the material of seal cover A2 and seal cover B9 can also be can bearing certain pressure glass fiber reinforced plastic or alloy steel; Seal cover A2 and seal cover B9 can also be tightly connected with cylindrical tube 3 and cylindrical tube 8 respectively by interference fit; Seal cover A2 can also be connected by interference fit seal with sealed tube wire terminal a1; Seal cover B9 can also be connected by interference fit seal with sealed tube wire terminal b10; The number of sample tap 7 can be regulated as required; Seal cover C11 can also be tightly connected by interference fit and cylindrical tube 3,5 and 8; The hop count of isometrical cylindrical tube not in the adjusting device group as required.
When using fill out sand tube composite set of the present invention, sealed tube wire terminal a1 closely is connected with indoor displacement pipeline, the displacement working solution is entered in the cylindrical tube 3,5 and 8, displacement working solution seepage flow radially in cylindrical tube 3,5 and 8; When need measure the performance of displacement working solution, obtain the displacement working solution from sample tap 7 and carry out performance test; Displacement working solution after test finishes can be discharged cylindrical tube 8 from sealed tube wire terminal b10.
Claims (10)
1. fill out sand tube composite set, it is characterized in that: described device comprises the multistage cylindrical tube of being made up of at least two sections close-connected not isometrical cylindrical tubes; Described multistage cylindrical tube is provided with seal cover A and seal cover B; Be respectively equipped with sealed tube wire terminal a and sealed tube wire terminal b on described seal cover A and the seal cover B.
2. fill out sand tube composite set according to claim 1 is characterized in that: connect by Connection Element between the described not isometrical cylindrical tube.
3. fill out sand tube composite set according to claim 2 is characterized in that: be connected or interference fit for thread seal between described not isometrical cylindrical tube and the described Connection Element.
4. according to arbitrary described fill out sand tube composite set among the claim 1-3, it is characterized in that: described seal cover A is with described multistage cylindrical tube with seal cover B that thread seal is connected or interference fit.
5. fill out sand tube composite set according to claim 4, it is characterized in that: described seal cover A is that thread seal is connected or interference fit with described sealed tube wire terminal a.
6. fill out sand tube composite set according to claim 5, it is characterized in that: described seal cover B is that thread seal is connected or interference fit with described sealed tube wire terminal b.
7. fill out sand tube composite set according to claim 6, it is characterized in that: described multistage cylindrical tube is provided with at least one sample tap; Described sample tap is provided with seal cover C; Described seal cover C is that thread seal is connected or interference fit with described multistage cylindrical tube.
8. fill out sand tube composite set according to claim 7, it is characterized in that: described sample tap is 3.
9. fill out sand tube composite set according to claim 8, it is characterized in that: described multistage cylindrical tube comprises 3 sections close-connected not isometrical cylindrical tubes.
10. the application of not isometrical cylindrical tube in preparation fill out sand tube device; Described fill out sand tube device comprises the multistage cylindrical tube of being made up of at least two sections close-connected not isometrical cylindrical tubes; Described multistage cylindrical tube is provided with seal cover A and seal cover B; Be respectively equipped with sealed tube wire terminal a and sealed tube wire terminal b on described seal cover A and the seal cover B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602591 CN102052073B (en) | 2010-12-14 | 2010-12-14 | Sand-filled pipe combination device simulating two-dimensional drill core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602591 CN102052073B (en) | 2010-12-14 | 2010-12-14 | Sand-filled pipe combination device simulating two-dimensional drill core |
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| Publication Number | Publication Date |
|---|---|
| CN102052073A CN102052073A (en) | 2011-05-11 |
| CN102052073B true CN102052073B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010602591 Active CN102052073B (en) | 2010-12-14 | 2010-12-14 | Sand-filled pipe combination device simulating two-dimensional drill core |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112943188A (en) * | 2021-03-25 | 2021-06-11 | 北京拓普莱博油气田开发技术研究院 | Sand filling pipe core for simulating water injection of water injection well and manufacturing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142471A (en) * | 1990-04-05 | 1992-08-25 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Method for determining the pressure or stress of a geological formation from acoustic measurement |
| WO2001094982A2 (en) * | 2000-06-05 | 2001-12-13 | Schlumberger Technology Corporation | Determining stress parameters of formations from multi-mode velocity data |
| CN2748637Y (en) * | 2004-06-09 | 2005-12-28 | 中国石化胜利油田有限公司孤岛采油厂 | Hydraulic low shearing sampler |
| CN101845946A (en) * | 2010-05-31 | 2010-09-29 | 中国海洋石油总公司 | Method for simulating polymer solution shear and special equipment thereof |
| CN202001003U (en) * | 2010-12-14 | 2011-10-05 | 中国海洋石油总公司 | Sand-filling tube combination device simulating two-dimensional core |
-
2010
- 2010-12-14 CN CN 201010602591 patent/CN102052073B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142471A (en) * | 1990-04-05 | 1992-08-25 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Method for determining the pressure or stress of a geological formation from acoustic measurement |
| WO2001094982A2 (en) * | 2000-06-05 | 2001-12-13 | Schlumberger Technology Corporation | Determining stress parameters of formations from multi-mode velocity data |
| CN2748637Y (en) * | 2004-06-09 | 2005-12-28 | 中国石化胜利油田有限公司孤岛采油厂 | Hydraulic low shearing sampler |
| CN101845946A (en) * | 2010-05-31 | 2010-09-29 | 中国海洋石油总公司 | Method for simulating polymer solution shear and special equipment thereof |
| CN202001003U (en) * | 2010-12-14 | 2011-10-05 | 中国海洋石油总公司 | Sand-filling tube combination device simulating two-dimensional core |
Non-Patent Citations (2)
| Title |
|---|
| 聚合物溶液近井地带速率剪切模拟实验装置设计;舒政等;《油气地质与采收率》;20100731(第4期);第55-60页 * |
| 舒政等.聚合物溶液近井地带速率剪切模拟实验装置设计.《油气地质与采收率》.2010,(第4期),第55-60页. |
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| CN102052073A (en) | 2011-05-11 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Southwest Petroleum University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Southwest Petroleum University |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Southwest Petroleum University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Southwest Petroleum University |
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Effective date of registration: 20210805 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: SOUTHWEST PETROLEUM University |