CN201546709U - Screen pipe well completion simulation testing device - Google Patents
Screen pipe well completion simulation testing device Download PDFInfo
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- CN201546709U CN201546709U CN2009202460841U CN200920246084U CN201546709U CN 201546709 U CN201546709 U CN 201546709U CN 2009202460841 U CN2009202460841 U CN 2009202460841U CN 200920246084 U CN200920246084 U CN 200920246084U CN 201546709 U CN201546709 U CN 201546709U
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Abstract
The utility model provides a screen pipe well completion simulation testing device, which comprises a test system, a gas supply system, a liquid supply system and a radial liquid supply system, wherein the test system simulates a screen pipe well completion structure, the gas supply system can supply compressed air for the test system, and the liquid supply system can supply mixed liquid of water and oil, which axially flows for the test system. The screen pipe well completion simulation testing device can fully simulate underground condition of a screen pipe well completion through adopting the test system, the gas supply system, the liquid supply system and the radial liquid supply system, and improves the research of relationship of underground flow state and flow parameter of the screen pipe well completion.
Description
Technical field
The utility model relates to a kind of sieve tube completion simulation test device.
Background technology
Along with the reaching its maturity of horizontal well, extended reach well completion technique, horizontal well becomes one of key technology of oilfield stable production gradually in the oil field.It is the oil reservoir water outlet that horizontal wells faces maximum problem, how to determine that water exit and water yield have directly influenced the development effectiveness of horizontal well.Utilizing logging instrument to carry out the down-hole dynamic monitoring is to address this problem the most effective means, and log interpretation technology is the production system information that the information translation of logging instrument output is become the down-hole.Interpretation technique research is to improve the indispensable link of monitoring effect, and the prerequisite of interpretation technique research is understood well product in underground flow regime, the related law of flow parameter and flow regime.
Sieve tube completion is the important completion form of horizontal well, form of structure as shown in Figure 1, oil gas water enters horizontal well by the perforation on the production casing 13, and enters in the screen casing 2 by the slot on screen casing 2 walls, flow media 4 flows for oil gas water three phase, and flow performance is that fluid mass is along Cheng Zengjia.Utilize logging instrument to be deep into the screen casing 2 interior flow parameters of measuring of down-hole aborning, carry out the production dynamic monitoring.The mobile of down-hole is complicated heterogeneous flowing, and nowed forming and flow parameter correlation research mainly depend on experimental simulation.
The utility model content
The technical problems to be solved in the utility model provides a kind of experimental rig that can simulate sieve tube completion down-hole state.
In order to address the above problem, the utility model provides a kind of sieve tube completion simulation test device, comprising: pilot system, air supply system, liquid-supplying system reach radially liquid-supplying system,
Described pilot system simulation sieve tube completion structure;
Described air supply system provides compressed air for described pilot system;
Described liquid-supplying system provides the oil-water mixture body of axial flow for described pilot system;
Described radially liquid-supplying system provides the oil-water mixture body of Radial Flow for described pilot system.
Further, also be provided with the inlet blender that is used for mixing the oil-water mixture body that axially flows in described air supply system compressed air and the described liquid-supplying system between described pilot system and described air supply system and the described liquid-supplying system.
Further, described pilot system comprises analog casing and is sleeved on the interior simulation screen casing of described analog casing, be the annular space inner chamber by the casing packer packing between described simulation screen casing and the described analog casing, also be provided with on the described analog casing be convenient to described annular space inner chamber inject Radial Flow the oil-water mixture body along the journey inlet, described simulation screen casing two ends are provided with outlet and the inlet that the gas-liquid mixture of being convenient to axial flow is come in and gone out.
Further, described liquid-supplying system also comprises the ratio mixed organization that is used to regulate the profit mixed proportion.
The utlity model has following advantage
1, the utility model adopts pilot system, air supply system, liquid-supplying system to reach radially liquid-supplying system, fully simulates the down-hole situation of sieve tube completion, has improved sieve tube completion down-hole nowed forming and flow parameter correlation research.
2, the pilot system in the utility model adopts analog casing, simulation screen casing to reach with along journey inlet analogue perforation, has simulated the structure of sieve tube completion effectively, and the simulation accuracy is very high.
3, the Oil, Water, Gas ratio is all adjustable in the utility model, provides effective decryption for the well logging under the various environment.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Fig. 1 shows the structural representation of sieve tube completion;
Fig. 2 shows the structural representation of a kind of sieve tube completion simulation test device of the utility model;
Fig. 3 shows pilot system structural representation in the utility model;
Fig. 4 shows the comparison schematic diagram of the utility model field experiment pressure drop measured value and calculated value.
The specific embodiment
As shown in Figure 2, the utility model comprises: pilot system 5, air supply system 6, liquid-supplying system 7 reach radially liquid-supplying system 8, and wherein: pilot system 5 links to each other with pilot system 5, simulation sieve tube completion structure; Air supply system 6 links to each other with pilot system 5, for pilot system 5 provides compressed air; Liquid-supplying system 7 links to each other with pilot system 5, and the oil-water mixture body of axial flow is provided for pilot system 5; Radially liquid-supplying system 8 provides the oil-water mixture body of Radial Flow for pilot system 5.
The utility model adopts pilot system 5, air supply system 6, liquid-supplying system 7 to reach radially liquid-supplying system 8, fully simulates the down-hole situation of sieve tube completion, has improved sieve tube completion down-hole nowed forming and flow parameter correlation research.
In the utility model, also be provided with the inlet blender 9 that is used for the axial oil-water mixture body that flows in mixed gas supply system 6 compressed air and the liquid-supplying system 7 between pilot system 5 and air supply system 6 and the liquid-supplying system 7.In the real work, the length of oil country tubular good can reach thousands of rice, it flows is full-blown heterogeneous flowing, breadboard pipeline is mostly shorter, polyphasic-flow regime is difficult to abundant development, must use inlet blender 9 to make every effort to alternate sufficient mixing, inlet blender 9 often is the key equipment of heterogeneous flowing experiment.The mode that this experiment adopts axial gas to become a mandarin is carried out gas, liquid mixes.
As shown in Figure 3, pilot system 5 comprises analog casing 51 and is sleeved on simulation screen casing 52 in the analog casing 51, be annular space inner chamber 55 by casing packer 53 packings between simulation screen casing 52 and the analog casing 51, also be provided with on the analog casing 51 be convenient to annular space inner chamber 55 inject Radial Flow the oil-water mixture body along journey inlet 54, simulation screen casing 52 two ends are provided with the outlet 57 that the gas-liquid mixture of being convenient to axial flow comes in and goes out and enter the mouth 56.
In the utility model, pilot system 5 is used DN50 specification pipeline, and experimental system 5 is divided into go up a slope section 12 and lower slope section 11 two parts, is installed in respectively on the truss 10 of variable-angle.Experimental system 5 is made up of simulation screen casing 52, analog casing 51.Pilot system 5 comprises multistage, and every segment length is 4 meters.Pilot system 5 also comprises observation section 13, and observation section 13 adopts transparent pipeline, and convenient observation mixes the mobility status of gas-liquid.
In the utility model, use along journey inlet 54 analogue perforations 3.In order to realize simulating the radially function of injecting of screen casing 52, radially using independent radially injection pump and independent installation quality flow meter in the liquid-supplying system 8, be furnished with control valve in addition and regulate flow, and ascending pipe 81 is installed in the position parallel with every section pilot system, inject fluids with multipoint system to analog casing 52, with as far as possible near field condition.
In the utility model, liquid-supplying system 7 also comprises the ratio mixed organization 71 that is used to regulate the profit mixed proportion.Flow meter and choke valve are installed on flowline, and dynamic measuring is also regulated the oil phase flow.
The utility model utilizes flowing under compressed air, transparent simulated oil and the water simulation well.
As shown in Figure 4, the actual measurement pressure drop compares in the pressure drop of the utility model and Kelamayi field experiment condition calculating pipeline and the experiment.At the inclination angle is that the 5 data contrasts of spending compare 19 groups of experimental datas and result of calculation, and comprehensive accuracy rate is 84.2%.Heterogeneous flowing is that complicated fluid flows, and by calculating very difficulty of prediction pipeline pressure drop, the pressure drop of general forecast thinks promptly that less than 35% prediction is correct with actual pressure drop error.Fig. 4 transverse axis is on-the-spot actual measurement data, and the longitudinal axis is for calculating prediction data, and the point among the figure is the measured value and the intersection point that calculates predicted numerical value under certain operating condition of test.Diagonal is actual measurement and the hundred-percent concordant profipole of prediction among the figure, two lines of demarcation that line is error ± 35% up and down, and the operating condition of test point falls within the accuracy of judgement that is within the bouds on error, and the epigenesist of bouds on error is inaccurate for judging.Each point is the prediction of once testing and the comparison result of actual measurement among the figure, and the accurate rate of the judgement of this figure reaches 83.3%.
In sum; it below only is preferred embodiment of the present utility model; be not to be used to limit protection domain of the present utility model; therefore; all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. sieve tube completion simulation test device is characterized in that: comprise pilot system (5), air supply system (6), liquid-supplying system (7) and liquid-supplying system (8) radially,
Described pilot system (5) simulation sieve tube completion structure;
Described air supply system (6) links to each other with described pilot system (5), for described pilot system (5) provides compressed air;
Described liquid-supplying system (7) links to each other with described pilot system (5), and the oil-water mixture body of axial flow is provided for described pilot system (5);
Described radially liquid-supplying system (8) links to each other with described pilot system (5), and the oil-water mixture body of Radial Flow is provided for described pilot system (5).
2. sieve tube completion simulation test device as claimed in claim 1 is characterized in that: also be provided with the inlet blender that is used for mixing the oil-water mixture body that axially flows in described air supply system (6) compressed air and the described liquid-supplying system (7) between described pilot system (5) and described air supply system (6) and the described liquid-supplying system (7).
3. sieve tube completion simulation test device as claimed in claim 2, it is characterized in that: described pilot system (5) comprises analog casing (51) and is sleeved on the interior simulation screen casing (52) of described analog casing (51), be annular space inner chamber (55) by casing packer (53) packing between described simulation screen casing (52) and the described analog casing (51), also be provided with on the described analog casing (51) be convenient to described annular space inner chamber (55) inject Radial Flow the oil-water mixture body along journey inlet (54), described simulation screen casing (52) two ends are provided with outlet (57) and the inlet (56) that the gas-liquid mixture of being convenient to axial flow is come in and gone out.
4. sieve tube completion simulation test device as claimed in claim 3 is characterized in that: described liquid-supplying system (7) also comprises the ratio mixed organization (71) that is used to regulate the profit mixed proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460841U CN201546709U (en) | 2009-09-28 | 2009-09-28 | Screen pipe well completion simulation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202460841U CN201546709U (en) | 2009-09-28 | 2009-09-28 | Screen pipe well completion simulation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546709U true CN201546709U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202460841U Expired - Fee Related CN201546709U (en) | 2009-09-28 | 2009-09-28 | Screen pipe well completion simulation testing device |
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| CN (1) | CN201546709U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003174A (en) * | 2010-09-19 | 2011-04-06 | 中国海洋石油总公司 | Simulated experiment device of three-dimension radial flow sieve tube |
| CN103032065A (en) * | 2011-09-30 | 2013-04-10 | 中国石油化工股份有限公司 | Simulation test device and test method for well completion of horizontal well |
| CN104697738A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Oil-gas-water multiphase flow test device and process method |
-
2009
- 2009-09-28 CN CN2009202460841U patent/CN201546709U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003174A (en) * | 2010-09-19 | 2011-04-06 | 中国海洋石油总公司 | Simulated experiment device of three-dimension radial flow sieve tube |
| CN102003174B (en) * | 2010-09-19 | 2013-04-24 | 中国海洋石油总公司 | Simulated experiment device of three-dimension radial flow sieve tube |
| CN103032065A (en) * | 2011-09-30 | 2013-04-10 | 中国石油化工股份有限公司 | Simulation test device and test method for well completion of horizontal well |
| CN103032065B (en) * | 2011-09-30 | 2015-08-26 | 中国石油化工股份有限公司 | A kind of simulation test device for horizontal well completion and test method |
| CN104697738A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Oil-gas-water multiphase flow test device and process method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20170928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |