CN113340578A - Packer high temperature simulation replacement liquid test device - Google Patents
Packer high temperature simulation replacement liquid test device Download PDFInfo
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- CN113340578A CN113340578A CN202110658114.5A CN202110658114A CN113340578A CN 113340578 A CN113340578 A CN 113340578A CN 202110658114 A CN202110658114 A CN 202110658114A CN 113340578 A CN113340578 A CN 113340578A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention relates to the technical field of petroleum engineering, in particular to a packer high-temperature simulation liquid replacement test device; the packer is connected to the liquid replacement test tool, the liquid replacement test tool is connected with a liquid discharge port of the high-temperature three-cylinder plunger pump through a circulating pipeline, the packer is connected with a liquid inlet of the high-temperature three-cylinder plunger pump through the circulating pipeline, an upper high-temperature pressure gauge is connected to the circulating pipeline at the liquid inlet end of the liquid replacement test tool, a lower high-temperature pressure gauge is connected to the circulating pipeline at the liquid outlet end of the packer, and a high-temperature flow meter is connected to the circulating pipeline at the outlet end of the high-temperature three-cylinder plunger pump. The invention can effectively simulate the erosion action of the drilling completion fluid on the packer rubber sleeve and the throttling pressure difference of the upper pressure of the packer rubber sleeve in the replacement fluid construction process during the oil testing and completion operation of the ultra-deep well, and can provide technical support for the selection of the on-site replacement fluid construction parameters and the design of the packer rubber sleeve structure.
Description
Technical Field
The invention relates to the technical field of petroleum engineering, in particular to a packer high-temperature simulation liquid replacement test device.
Background
In the process of oil testing and well completion operation of the ultra-deep well in the Tarim basin, in order to ensure the safety of well control, the drilling fluid is often used as a completion fluid when a packer is put into the well; after the well completion tool string is lowered to a preset position, in order to protect a reservoir and reduce the safety of the later operation of well completion tools such as a packer and the like, the drilling fluid needs to be replaced out of a well mouth by annular protection fluid; the selection of the displacement of the replacement fluid is particularly important under the influence of various aspects such as annular space between the packer and the casing, the temperature of a setting well section, the structural type of the packer and the like. Theoretically, the larger the displacement of the replacement fluid is, the better advantages are provided for the well testing and completion operation and the reservoir protection; however, the displacement of the large displacement fluid can cause the packer rubber sleeve to be set in advance, so that the process is discontinuous, and the test oil well completion period is influenced; in recent years, the phenomenon that the packer is set in advance in the process of replacing liquid for many times has appeared, and the adverse effect is caused to the well completion operation of oil testing. In order to prevent the condition that the packer is set in advance in the liquid replacing process, a simulated liquid replacing test needs to be carried out on the ground when a new packer is developed abroad, but the used medium is clean water, the temperature of the replacing liquid is only 82.2(180 DEG F), and the construction requirement of replacing liquid of the ultra-deep well cannot be met; there is no systematic research on packer simulation liquid replacement in China.
Disclosure of Invention
The invention aims to provide a packer simulation liquid replacement test device which can simulate liquid replacement conditions under different temperatures and discharge capacities for packers with different structure sizes, different rubber sleeve structures and different rubber sleeve hardnesses, and provides a basis for design and shaping of the packer.
In order to achieve the purpose, the invention provides a packer high-temperature simulation liquid replacement test device which comprises a liquid replacement test tool, a high-temperature three-cylinder plunger pump, a packer and a pressure balancing device, wherein the packer is connected to the liquid replacement test tool, liquid is communicated between the packer and the liquid replacement test tool, the liquid replacement test tool is connected with a liquid discharge port of the high-temperature three-cylinder plunger pump through a circulating pipeline, the packer is connected with a liquid inlet of the high-temperature three-cylinder plunger pump through the circulating pipeline, an upper high-temperature pressure gauge is connected in the circulating pipeline at the liquid inlet end of the liquid replacement test tool, a lower high-temperature pressure gauge is connected in the circulating pipeline at the liquid outlet end of the packer, a high-temperature flow meter is connected in the circulating pipeline at the outlet end of the high-temperature three-cylinder plunger pump, an output interface of the pressure balancing device is connected in the circulating pipeline between the high-temperature three-cylinder plunger pump and the liquid replacement test tool, the high-temperature three-cylinder plunger pump, the packer, the high-temperature three-cylinder plunger pump, the pressure balancing device, the pressure gauge, the high-temperature three-cylinder plunger pump, the packer, the liquid replacement test tool, the high-temperature three-cylinder plunger pump, the high-temperature pressure gauge, the high-pressure gauge, the high-pressure-gauge device, the high-gauge device, the high-gauge device, the high-gauge, A heating and heat-insulating device is connected into a circulating loop formed by the liquid replacement test tool.
Further, it includes experimental sleeve pipe to replace experimental frock of liquid, is connected with top connection and lower clutch respectively on experimental sheathed tube front and back mouth of pipe, be provided with circulation section of thick bamboo and adapter that the axial connects gradually in the experimental sleeve pipe, and the circulation section of thick bamboo is connected with the opening of top connection, and the bobbin base of circulation section of thick bamboo is sealed, the section of thick bamboo wall is opened there is the scattered hole, and the afterbody at the circulation section of thick bamboo is connected to the adapter, but axial fixity, circumference relative rotation between adapter and the circulation section of thick bamboo, and the packer is connected on the adapter.
Further, pressure balance device includes the piston barrel, be provided with balanced piston in the piston chamber of piston barrel, the both ends in piston chamber are connected with output joint and crossover sub respectively, balanced piston can slide around in the piston barrel, separate into two cavities that hold the chamber and can freely adjust with the piston chamber, one of them cavity is in the output joint side, as experimental medium chamber, another cavity is in the crossover sub side, as clear water chamber, output interface connection on the output joint is in the circulation pipeline between high temperature three jar plunger pump and the experimental frock of replacing liquid, crossover sub passes through the drain pipe and is connected with the second liquid recovery jar, the access has the second pneumatic valve in the drain pipe, the drain pipe passes through branch road connection third pneumatic valve and starter pump.
Further, still include first liquid recovery jar and drain pipe, the one end of drain pipe is connected in the circulation pipeline of packer play liquid end, and the other end is connected to first liquid recovery jar, and the drain pipe inserts has first pneumatic valve.
Furthermore, the upper joint and the lower joint are connected with a test sleeve through screw threads, and sealing rubber rings are arranged between the upper joint and the test sleeve and between the lower joint and the test sleeve.
Furthermore, the output joint and the conversion joint are connected with the piston cylinder through screw threads, sealing gaskets are arranged between the output joint and the piston cylinder, and between the balance piston and the piston cylinder, the sealing gaskets are arranged.
Compared with the prior art, the invention has the advantages that:
the packer high-temperature simulation liquid replacement test device provided by the invention can simulate liquid replacement conditions under different temperatures and discharge capacities for packers with different structure sizes, different rubber sleeve structures and different rubber sleeve hardnesses, and provides a basis for design and shaping of the packer. On the other hand, the displacement of the replacement fluid of the packer in the test oil well completion operation process can be simulated, the most suitable displacement of the replacement fluid of the packer under different temperature conditions is preferably selected, the problem of advanced setting of the packer in the field replacement fluid construction process is avoided, and the success rate of the test oil well completion is improved.
The invention can effectively simulate the erosion action of the drilling completion fluid on the packer rubber sleeve and the throttling pressure difference of the upper pressure of the packer rubber sleeve in the replacement fluid construction process during the oil testing and completion operation of the ultra-deep well, and can provide technical support for the selection of the on-site replacement fluid construction parameters and the design of the packer rubber sleeve structure.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a liquid replacement test tool.
Fig. 3 is a schematic structural diagram of the pressure balancing device.
In the figure: 1-replacing a liquid test tool; 1-1-top linker; 1-2-circulation cylinder; 1-3-test cannula; 1-4-adapter; 1-5-lower joint; 1-6-sealing rubber ring; 2-starting the pump; 3-high temperature three-cylinder plunger pump; 4-high temperature pressure gauge; 5-a pressure balancing device; 5-1-output connector; 5-2-piston cylinder; 5-3-balance piston; 5-4-crossover; 5-5-sealing gasket; 6-lower high temperature manometer; 7-heating and heat-preserving device; 8-a high temperature flow meter; 9-test medium; 10-clear water; 11-a first liquid recovery tank; 12-a packer; 13-a recycle line; 14-a second pneumatic valve; 15-a third pneumatic valve; 16-a second liquid recovery tank; 17-first pneumatic valve.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
As shown in fig. 1; the utility model provides a packer high temperature simulation replaces liquid test device, including replacing liquid test frock 1, high temperature three-cylinder plunger pump 3, packer 12, pressure balance device 5, packer 12 is connected on replacing liquid test frock 1, packer 12 and replace liquid between the liquid test frock 1 and switch on, replace liquid test frock 1 and connect the leakage fluid dram of high temperature three-cylinder plunger pump 3 through circulation pipeline 13, packer 12 connects the inlet of high temperature three-cylinder plunger pump 3 through circulation pipeline 13, be connected with high temperature manometer 4 in the circulation pipeline of replacing liquid test frock 1 inlet end, be connected with lower high temperature pressure gauge 6 in the circulation pipeline of packer 12 liquid outlet end, be connected with high temperature flowmeter 8 in the circulation pipeline of high temperature three-cylinder plunger pump 3 exit end. The upper high-temperature pressure gauge and the lower high-temperature pressure gauge are remote-transmission type pressure gauges and have a data storage function, and the pressure of the upper end and the lower end of the packer in the high-temperature simulation liquid replacing test process can be monitored and stored in real time. An output interface of the pressure balancing device 5 is connected in a circulating pipeline between the high-temperature three-cylinder plunger pump 3 and the liquid replacing test tool 1, and a heating and heat insulating device 7 is connected in a circulating loop formed by the high-temperature three-cylinder plunger pump 3, the packer 12 and the liquid replacing test tool 1.
In detail, the circulation pipeline 13 includes components such as a high-pressure hard pipeline, a movable elbow, a tee joint, and the like, and is configured to be connected through a union buckle or an API tubing buckle according to the requirements of the system device. The heating and heat-preserving device 7 adopts an electric heating mode to heat, and the temperature of the system is automatically controlled by a PLC.
The packer high-temperature simulation liquid replacing device is a closed system, and ensures that liquid is still in a flowable state under a high-temperature condition; the method comprises the steps of filling a test medium into the upstream of a high-temperature simulation liquid replacing device, filling clean water into the downstream of the high-temperature simulation liquid replacing device, raising the system to a rated test temperature through a heating and heat preserving device 7, keeping the system at a rated pressure through a pressure balancing device 5, providing power for the flow of the test medium in the system through a high-temperature three-cylinder plunger pump 3, monitoring the flow of fluid through a high-temperature flowmeter 8, and respectively detecting the pressure of the upper end and the lower end of a packer through an upper high-temperature pressure gauge and a lower high-temperature pressure gauge and calculating the throttling differential pressure of the upper end and the lower end of the packer according to the pressure.
As shown in fig. 2; the liquid replacement test tool 1 comprises test sleeves 1-3, an upper connector 1-1 and a lower connector 1-5 are respectively connected to front and rear pipe orifices of the test sleeves 1-3, a circulating cylinder 1-2 and an adapter 1.4 which are sequentially connected in the axial direction are arranged in the test sleeves 1-3, the circulating cylinder 1-2 is connected with a through opening of the upper connector 1-1, the bottom of the circulating cylinder 1-2 is closed, overflow holes are formed in the cylinder wall, the adapter 1.4 is connected to the tail portion of the circulating cylinder 1-2, the adapter 1.4 and the circulating cylinder 1-2 are axially fixed and can rotate in the circumferential direction, a packer 12 is connected to the adapter 1-4, and the packer 12 is prevented from moving in the axial direction in the circulating process.
The upper joint 1-1 and the lower joint 1-5 are connected with the test casing 1-3 through screw threads, and sealing rubber rings 1-6 are arranged between the upper joint 1-1 and the lower joint 1-5 and the test casing 1-3. The test sleeves 1-3 are kept sealed with the upper joints 1-1 and the lower joints 1-5 by sealing rubber rings 1-6.
As shown in fig. 3; the pressure balancing device 5 comprises a piston cylinder 5-2, a balancing piston 5-3 is arranged in a piston cavity of the piston cylinder 5-2, two ends of the piston cavity are respectively connected with an output connector 5-1 and a conversion connector 5-4, the balancing piston 5-3 can slide back and forth in the piston cylinder 5-2 to divide the piston cavity into two cavities with freely adjustable containing cavities, one cavity is arranged on the side of the output connector 5-1 and is used as a test medium cavity, the other cavity is arranged on the side of the conversion connector 5-4 and is used as a clear water cavity, the output connector 5-1 is connected with the upstream of the high-temperature simulated liquid replacement test device, namely an output interface on the output connector 5-1 is connected in a circulating pipeline between the high-temperature three-cylinder plunger pump 3 and the liquid replacement test tool 1, and the conversion connector 5-4 is connected with the downstream of the high-temperature simulated liquid replacement test device, namely, the switching joint 5-4 is connected to the second liquid recovery tank 16 through a drain pipe into which the second pneumatic valve 14 is connected, and the drain pipe is connected to the third pneumatic valve 15 and the starting pump 2 through a branch. The reciprocating sliding of the balance piston 5-3 is used for controlling the upstream pressure of the high-temperature simulated liquid replacement test device, so that the upstream pressure of the test device is ensured to be within a safety range.
The output connector 5-1 and the conversion connector 5-4 are connected with the piston cylinder 5-2 through screw threads, a sealing washer 5-5 is arranged between the output connector 5-1 and the conversion connector 5-4 and the piston cylinder 5-2, and a sealing washer 5-5 is arranged between the balance piston 5-3 and the piston cylinder 5-2.
The packer also comprises a first liquid recovery tank 11 and a drain pipe, wherein one end of the drain pipe is connected to a circulation pipeline at the liquid outlet end of the packer 12, the other end of the drain pipe is connected to the first liquid recovery tank 11, and a first pneumatic valve 17 is connected to the drain pipe.
The embodiment of the invention has the advantages of reasonable design, simple operation, capability of effectively simulating the displacement of the replacement fluid of the packer and verifying the effective displacement of the replacement fluid, improvement of the success rate of on-site construction of the replacement fluid of the packer and powerful guarantee for oil field exploration and development.
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 (5)
1. The utility model provides a packer high temperature simulation replaces liquid test device which characterized in that: comprises a liquid replacement test tool (1), a high-temperature three-cylinder plunger pump (3), a packer (12) and a pressure balancing device (5), wherein the packer (12) is connected to the liquid replacement test tool (1), the packer (12) is communicated with the liquid replacement test tool (1), the liquid replacement test tool (1) is connected with a liquid discharge port of the high-temperature three-cylinder plunger pump (3) through a circulating pipeline (13), the packer (12) is connected with a liquid inlet of the high-temperature three-cylinder plunger pump (3) through the circulating pipeline (13), an upper high-temperature pressure gauge (4) is connected in the circulating pipeline at the liquid inlet end of the liquid replacement test tool (1), a lower high-temperature gauge (6) is connected in the circulating pipeline at the liquid outlet end of the packer (12), a high-temperature flow meter (8) is connected in the circulating pipeline at the outlet end of the high-temperature three-cylinder plunger pump (3), an output interface of the pressure balancing device (5) is connected in the circulating pipeline between the high-temperature three-cylinder plunger pump (3) and the liquid replacement test tool (1), and a heating and heat-insulating device (7) is connected into a circulating loop formed by the high-temperature three-cylinder plunger pump (3), the packer (12) and the liquid replacement test tool (1).
2. The packer high-temperature simulation fluid replacement test device of claim 1, wherein: the liquid replacement test tool (1) comprises a test sleeve (1-3), an upper connector (1-1) and a lower connector (1-5) are connected to front and rear pipe orifices of the test sleeve (1-3) respectively, a circulating cylinder (1-2) and an adapter (1.4) which are sequentially connected in the axial direction are arranged in the test sleeve (1-3), the circulating cylinder (1-2) is connected with a through opening of the upper connector (1-1), the bottom of the circulating cylinder (1-2) is closed, overflow holes are formed in the wall of the circulating cylinder, the adapter (1.4) is connected to the tail of the circulating cylinder (1-2), the adapter (1.4) and the circulating cylinder (1-2) are axially fixed and can rotate in the circumferential direction, and a packer (12) is connected to the adapter (1-4).
3. The packer high-temperature simulation fluid replacement test device of claim 1 or 2, wherein: the pressure balancing device (5) comprises a piston cylinder (5-2), a balancing piston (5-3) is arranged in a piston cavity of the piston cylinder (5-2), two ends of the piston cavity are respectively connected with an output connector (5-1) and a conversion connector (5-4), the balancing piston (5-3) can slide back and forth in the piston cylinder (5-2) to divide the piston cavity into two cavities with freely adjustable cavities, one cavity is arranged on the side of the output connector (5-1) and used as a test medium cavity, the other cavity is arranged on the side of the conversion connector (5-4) and used as a clear water cavity, an output interface on the output connector (5-1) is connected in a circulation pipeline between the high-temperature three-cylinder plunger pump (3) and the liquid replacement test tool (1), and the conversion connector (5-4) is connected with a second liquid recovery tank (16) through a drain pipe, a second pneumatic valve (14) is connected into the drain pipe, and the drain pipe is connected with a third pneumatic valve (15) and the starting pump (2) through a branch.
4. The packer high-temperature simulation fluid replacement test device of claim 3, wherein: still include first liquid recovery jar (11) and drain pipe, the one end of drain pipe is connected in the circulation pipeline of packer (12) play liquid end, and the other end is connected to first liquid recovery jar (11), and it has first pneumatic valve (17) to insert in the drain pipe.
5. The packer high-temperature simulation fluid replacement test device of claim 2, wherein: the upper joint (1-1) and the lower joint (1-5) are connected with the test casing (1-3) through screw threads, and sealing rubber rings (1-6) are arranged between the upper joint (1-1) and the test casing (1-3) and between the lower joint (1-5) and the test casing (1-3). The packer high-temperature simulation fluid replacement test device of claim 3, wherein: the output connector (5-1) and the conversion connector (5-4) are connected with the piston cylinder (5-2) through screw threads, a sealing washer (5-5) is arranged between the output connector (5-1) and the conversion connector (5-4) and the piston cylinder (5-2), and a sealing washer (5-5) is arranged between the balance piston (5-3) and the piston cylinder (5-2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658114.5A CN113340578B (en) | 2021-06-15 | 2021-06-15 | Packer high temperature simulation replacement liquid test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658114.5A CN113340578B (en) | 2021-06-15 | 2021-06-15 | Packer high temperature simulation replacement liquid test device |
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| CN113340578A true CN113340578A (en) | 2021-09-03 |
| CN113340578B CN113340578B (en) | 2022-09-30 |
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2021
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