CN201982046U - Expansion pipe compensation tool for pressure boost of incline disk type plunger pump - Google Patents
Expansion pipe compensation tool for pressure boost of incline disk type plunger pump Download PDFInfo
- Publication number
- CN201982046U CN201982046U CN2011200771877U CN201120077187U CN201982046U CN 201982046 U CN201982046 U CN 201982046U CN 2011200771877 U CN2011200771877 U CN 2011200771877U CN 201120077187 U CN201120077187 U CN 201120077187U CN 201982046 U CN201982046 U CN 201982046U
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- China
- Prior art keywords
- pump
- swash plate
- plunger
- plunger pump
- rotor
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- Expired - Lifetime
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Abstract
The utility model relates to an expansion pipe compensation tool for pressure boost of an incline disk type plunger pump. An incline disk type plunger pump pressure boost device is connected between the expansion pipe compensation tool and a delivering pipe column, the incline disk type plunger pump is used for boosting pressure in a pit, so that a plugging liquid flow provided by the ground is boosted pressure for a second time, thereby achieving a transition of the liquid flow from a low pressure to a high pressure, lowering plugging pressure of a ground pump body while an expansion operation is completed, and leading a high-pressure pump to replace a low-pressure pump on ground. Meanwhile, a high pressure line is not needed by a ground line, so that the ground pressure is lowered, the safety of operation staff is improved and the cost is saved. Additionally, an ordinary production pipe column in the pit is used for delivering and a pump truck in an operation construction site is used for plugging, so that the construction procedure is simplified, and the labor intensity of site workers is lowered.
Description
Technical field
The utility model is the expansion tube subsidy instrument about a kind of oil development underground work, relates in particular to a kind of expansion tube subsidy instrument of swash plate plunger pump supercharging.
Background technology
The existing expansion tube instrument that is used for casing patching be by oil pipe with the expansion tube lower going-into-well, directly provide highly pressurised liquid by the ground high-pressure pump by oil pipe, highly pressurised liquid promotes expansion-head and moves and expand expansion tube.The bulbs of pressure in the existing expansion tube subsidy technology are about 24-45MPa, so the ground pump housing need provide the higher relatively bulbs of pressure, in order to guarantee the sealing of highly pressurised liquid passage, can only adopt oil pipe to suppress the communication passage of equipment as expansion tube and ground in the expansion process.In use, there is following defective in above-mentioned prior art:
1. during subsidy construction, the pressure that the ground pump housing provides is higher, has increased constructing operation personnel's danger; Also higher to the requirement of constructor, construction equipment simultaneously, site operation need be equipped with the professional and technical personnel and operate, and construction team need be equipped with high-pressure pump equipment in addition and can not adopt the slush pump in well site; These higher requirement have increased the complexity of construction.
2. oil pipe is as the high pressure cross over pipe, the quality of oil pipe, the sealing of oil pipe connecting thread, the integrity of oil pipe body are had relatively high expectations, need to use special-purpose tubing string, these high requests bring inconvenience for the construction of drilling team, and will cause claim for eot, construction cost increases, and does not meet production requirements such as the oil field reduces production costs, energy-saving and emission-reduction.
In view of this, the inventor relies on relevant design and manufacturing experience for many years, proposes a kind of expansion tube subsidy instrument of swash plate plunger pump supercharging, to overcome the defective of prior art.
The utility model content
The purpose of this utility model is to provide a kind of expansion tube subsidy instrument of swash plate plunger pump supercharging, by swash plate plunger pump at downhole pressure increasing, the liquid stream of suppressing that ground is provided carries out secondary booster, realize that liquid stream is by the transformation of low pressure to high pressure, when finishing the expansion operation, can reduce the pressure of suppressing of the ground pump housing, thus, improve operating personnel's working security, and reduce difficulty of construction.
Another purpose of the present utility model is to provide a kind of expansion tube subsidy instrument of swash plate plunger pump supercharging, can reduce construction cost, simplifies working procedure, reduces working strength of workers.
The purpose of this utility model is achieved in that a kind of expansion tube subsidy instrument of swash plate plunger pump supercharging, is connected with the swash plate plunger pump supercharging device between expansion tube subsidy instrument and conveying tubing string; Described swash plate plunger pump supercharging device includes superposed helicoid hydraulic motor and is connected in the swash plate plunger pump of helicoid hydraulic motor lower end; Also fixedly connected with the upper end conducting of the pump housing of swash plate plunger pump in the housing lower end of described helicoid hydraulic motor, the housing upper end of helicoid hydraulic motor is connected with carrying the tubing string conducting, the pump housing lower end of swash plate plunger pump is connected with the conducting of expansion tube subsidy instrument, be provided with the drilling tool rotor in the housing of described helicoid hydraulic motor, be provided with plunger cylinder in the pump housing of described swash plate plunger pump, the axial centre of plunger cylinder is provided with a low pressure chamber, be provided with a plurality of plunger cavities around this low pressure chamber, be provided with a plunger that can move up and down in each plunger cavity, the upper end of described each plunger is connected with the plunger displacement pump rotor by a swash plate, fixedlys connected with the upper end of plunger displacement pump rotor in the lower end of described drilling tool rotor; Be provided with the central passage of perforation in the described plunger displacement pump rotor, the low pressure chamber conducting of this central passage lower end and plunger cylinder, the inner chamber conducting of central passage upper end and helicoid hydraulic motor.
In a better embodiment of the present utility model, each plunger cavity bottom is provided with through hole, and through hole is communicated with the respective channel of the pump housing lower end of swash plate plunger pump, is provided with one first one way valve in described each through hole; Described each plunger cavity sidewall is provided with the open-work with the low pressure chamber conducting, is provided with one second one way valve in each open-work.
In a better embodiment of the present utility model, described drilling tool rotor is fixedlyed connected by a rotor connection with the plunger displacement pump rotor.
In a better embodiment of the present utility model, this rotor connection axial centre is provided with the centre bore of a downward conducting, and this centre bore conducting is in plunger displacement pump centre of rotor passage; Rotor connection be circumferentially with the perforation that is communicated with centre bore.
In a better embodiment of the present utility model, the housing of described helicoid hydraulic motor is fixedlyed connected by a shell joint with the pump housing of swash plate plunger pump.
In a better embodiment of the present utility model, the lower contact that the pump housing lower end of described swash plate plunger pump fixedly connected connects, this lower contact bottom is connected with the oil pipe conducting of suppressing of expansion tube subsidy instrument.
In a better embodiment of the present utility model, the pump housing sidewall of described swash plate plunger pump is provided with an overflow valve that is communicated with low pressure chamber.
From the above mentioned, the expansion tube subsidy instrument of swash plate plunger pump supercharging of the present utility model, in well, be provided with the swash plate plunger pump supercharging device, by swash plate plunger pump at downhole pressure increasing, the liquid stream of suppressing that ground is provided carries out secondary booster, realize that liquid stream is by the transformation of low pressure to high pressure, when finishing the expansion operation, can reduce the pressure of suppressing of the ground pump housing, make ground to replace high-pressure pump with common low-lift pump (as: slush pump), surface line needn't adopt high pressure line simultaneously, has reduced ground pressure, improve safety of operators, and saved expense; Moreover, use the interior common flow string of well to deliver, utilize the pump truck at job execution scene to suppress, simplified working procedure, also reduced the labour intensity of field worker.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: the structural representation of subsidizing instrument for the expansion tube of the utility model swash plate plunger pump supercharging.
Fig. 2: be the local enlarged diagram among Fig. 1.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
As shown in Figure 1, the utility model proposes a kind of expansion tube subsidy instrument 100 of swash plate plunger pump supercharging, between expansion tube subsidy instrument 1 and conveying tubing string 3, be connected with swash plate plunger pump supercharging device 2; Described swash plate plunger pump supercharging device 2 includes superposed helicoid hydraulic motor 21 and is connected in the swash plate plunger pump 22 of helicoid hydraulic motor 21 lower ends; Also fixedly connected with the pump housing 221 upper end conductings of swash plate plunger pump in housing 211 lower ends of described helicoid hydraulic motor, housing 211 upper ends of helicoid hydraulic motor are connected with carrying tubing string 3 conductings, the pump housing 221 lower ends of swash plate plunger pump are connected with 1 conducting of expansion tube subsidy instrument, be provided with drilling tool rotor 212 in the housing 211 of described helicoid hydraulic motor, be provided with plunger cylinder 222 in the pump housing 221 of described swash plate plunger pump, the axial centre of plunger cylinder 222 is provided with a low pressure chamber 2221, be provided with a plurality of plunger cavities 2222 around this low pressure chamber 2221, be provided with a plunger that can move up and down 2223 in each plunger cavity 2222, the upper end of described each plunger 2223 is connected with plunger displacement pump rotor 224 by a swash plate 223, fixedlys connected with the upper end of plunger displacement pump rotor 224 in the lower end of described drilling tool rotor 212; Be provided with the central passage 2241 of perforation in the described plunger displacement pump rotor 224, low pressure chamber 2221 conductings of these central passage 2241 lower ends and plunger cylinder, the inner chamber conducting of central passage 2241 upper ends and helicoid hydraulic motor 21.
During use, provide pressure fluid by ground pump housing (not shown), by carrying tubing string 3 pressure fluids to flow in the helicoid hydraulic motor 21, pressurized fluid driven drilling tool rotor 212 rotates, drilling tool rotor 212 drives plunger displacement pump rotor 224 and rotates, plunger displacement pump carries out secondary booster to the partial pressure fluid, and the fluid after the supercharging is input in the expansion tube subsidy instrument 1, finishes casing patching and expands.
From the above mentioned, the expansion tube subsidy instrument of swash plate plunger pump supercharging of the present utility model, in well, be provided with the swash plate plunger pump supercharging device, by swash plate plunger pump at downhole pressure increasing, the liquid stream of suppressing that ground is provided carries out secondary booster, realize that liquid stream is by the transformation of low pressure to high pressure, when finishing the expansion operation, can reduce the pressure of suppressing of the ground pump housing, make ground to replace high-pressure pump with common low-lift pump (as: slush pump), surface line needn't adopt high pressure line simultaneously, has reduced ground pressure, improve safety of operators, and saved expense; Moreover, use the interior common flow string of well to deliver, utilize the pump truck at job execution scene to suppress, simplified working procedure, also reduced the labour intensity of field worker.
In the present embodiment, as shown in Figure 2, each plunger cavity 2222 bottom is provided with through hole 2224, and through hole 2224 is communicated with the respective channel 2211 of the pump housing 221 lower ends of swash plate plunger pump, is provided with one first one way valve 2225 in described each through hole 2224; Described each plunger cavity 2222 sidewall are provided with the open-work 2226 with low pressure chamber 2221 conductings, are provided with one second one way valve 2227 in each open-work 2226.
In the present embodiment, as shown in Figure 1, described drilling tool rotor 212 is fixedlyed connected by a rotor connection 23 with plunger displacement pump rotor 224.These rotor connection 23 axial centre are provided with the centre bore 231 of a downward conducting, and these centre bore 231 conductings are in plunger displacement pump centre of rotor passage 2241; Rotor connection 23 be circumferentially with the perforation 232 that is communicated with centre bore 231.
In the present embodiment, the housing 211 of described helicoid hydraulic motor is fixedlyed connected by a shell joint 24 with the pump housing 221 of swash plate plunger pump, this shell joint 24 is the tubular structure that two ends connect, one end is fixedly connected on the lower end of the housing 211 of helicoid hydraulic motor, and the other end is fixedly connected on the upper end of the pump housing 221 of swash plate plunger pump.
In the present embodiment, described expansion tube subsidy instrument 1 includes that expansion tube, the end are stifled, expansion-head, expansion-head base and suppress oil pipe 11 etc., because this expansion tube subsidy instrument 1 is a prior art, its concrete structure repeats no more.
In the present embodiment, the lower contact 25 that the pump housing 221 lower ends of described swash plate plunger pump fixedly connected connect, these lower contact 25 bottoms are connected with oil pipe 11 conductings of suppressing of expansion tube subsidy instrument.
In the present embodiment, the pump housing 221 sidewalls of described swash plate plunger pump are provided with an overflow valve 26 that is communicated with low pressure chamber 2221.
The utility model adopts the operating principle of swash plate plunger pump supercharging to be: pressurized fluid driven drilling tool rotor 212 rotates, drilling tool rotor 212 actuation plunger pump rotors 224 rotate and drive with its swash plate that links 223 rotations, swash plate 223 bottoms and top are that spherical plunger 2223 matches, under swash plate 223 effects of rotation, each supercharging plunger 2223 is done in the plunger cavity 2222 of correspondence periodically and is pumped, described each plunger cavity 2222 all is respectively equipped with through hole 2224 and open-work 2226, and first one way valve 2225 and second one way valve 2227 are housed respectively; Mud flows out from helicoid hydraulic motor, perforation 232, centre bore 231, plunger displacement pump centre of rotor passage 2241 and wobbler 223 centers through rotor connection 23 enter in the low pressure chamber 2221 of plunger cylinder 222, because discharge capacity is bigger, part liquid stream flows to annular space by overflow valve 26 and sets up circulation, a small amount of liquid stream enters in the plunger cavity 2222 through second one way valve 2227, enters expansion tube through pressurization by the first following one way valve 2225 and suppresses and be used for subsidy in the oil pipe 11 and expand.
In the present embodiment, can the expansion tube subsidy instrument of described swash plate plunger pump supercharging be lowered into the precalculated position by drilling rod, in expansion process, suppress by the ground slush pump, the helicoid hydraulic motor rotor drives plunger displacement pump rotor 224 rotation at a high speed, the plunger displacement pump supercharging device carries out downhole pressure increasing to low hydraulic fluid stream, is input to the expansion chamber of expansion tube, finishes subsidy and expands.
Adopt the expansion tube subsidy instrument of swash plate plunger pump supercharging of the present utility model, reduced in the normal expansion process pressure to the ground working barrel, also reduced the pressure in the equipment such as cross over pipe string, thereby can replace oil pipe with drilling rod, replace high-pressure pump with the well site slush pump, operability, safety and the reliability of subsidy construction are improved, and particularly at hole condition during relatively abominable or long well section subsidy, advantage is apparent in view.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (7)
1. the expansion tube of swash plate plunger pump supercharging subsidy instrument is characterized in that: be connected with the swash plate plunger pump supercharging device between expansion tube subsidy instrument and conveying tubing string; Described swash plate plunger pump supercharging device includes superposed helicoid hydraulic motor and is connected in the swash plate plunger pump of helicoid hydraulic motor lower end; Also fixedly connected with the upper end conducting of the pump housing of swash plate plunger pump in the housing lower end of described helicoid hydraulic motor, the housing upper end of helicoid hydraulic motor is connected with carrying the tubing string conducting, the pump housing lower end of swash plate plunger pump is connected with the conducting of expansion tube subsidy instrument, be provided with the drilling tool rotor in the housing of described helicoid hydraulic motor, be provided with plunger cylinder in the pump housing of described swash plate plunger pump, the axial centre of plunger cylinder is provided with a low pressure chamber, be provided with a plurality of plunger cavities around this low pressure chamber, be provided with a plunger that can move up and down in each plunger cavity, the upper end of described each plunger is connected with the plunger displacement pump rotor by a swash plate, fixedlys connected with the upper end of plunger displacement pump rotor in the lower end of described drilling tool rotor; Be provided with the central passage of perforation in the described plunger displacement pump rotor, the low pressure chamber conducting of this central passage lower end and plunger cylinder, the inner chamber conducting of central passage upper end and helicoid hydraulic motor.
2. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 1, it is characterized in that: each plunger cavity bottom is provided with through hole, and through hole is communicated with the respective channel of the pump housing lower end of swash plate plunger pump, is provided with one first one way valve in described each through hole; Described each plunger cavity sidewall is provided with the open-work with the low pressure chamber conducting, is provided with one second one way valve in each open-work.
3. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 2, it is characterized in that: described drilling tool rotor is fixedlyed connected by a rotor connection with the plunger displacement pump rotor.
4. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 3, it is characterized in that: this rotor connection axial centre is provided with the centre bore of a downward conducting, and this centre bore conducting is in plunger displacement pump centre of rotor passage; Rotor connection be circumferentially with the perforation that is communicated with centre bore.
5. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 2, it is characterized in that: the housing of described helicoid hydraulic motor is fixedlyed connected by a shell joint with the pump housing of swash plate plunger pump.
6. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 2, it is characterized in that: the lower contact that the pump housing lower end of described swash plate plunger pump fixedly connected connects, this lower contact bottom is connected with the oil pipe conducting of suppressing of expansion tube subsidy instrument.
7. the expansion tube subsidy instrument of swash plate plunger pump supercharging as claimed in claim 2, it is characterized in that: the pump housing sidewall of described swash plate plunger pump is provided with an overflow valve that is communicated with low pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200771877U CN201982046U (en) | 2011-03-22 | 2011-03-22 | Expansion pipe compensation tool for pressure boost of incline disk type plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200771877U CN201982046U (en) | 2011-03-22 | 2011-03-22 | Expansion pipe compensation tool for pressure boost of incline disk type plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982046U true CN201982046U (en) | 2011-09-21 |
Family
ID=44609509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200771877U Expired - Lifetime CN201982046U (en) | 2011-03-22 | 2011-03-22 | Expansion pipe compensation tool for pressure boost of incline disk type plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927177A (en) * | 2016-06-07 | 2016-09-07 | 北方斯伦贝谢油田技术（西安）有限公司 | Power-driven casing patching power device |
| CN110608007A (en) * | 2019-10-31 | 2019-12-24 | 西安石油大学 | Rotary propelling type hydraulic ball sleeve shaper |
-
2011
- 2011-03-22 CN CN2011200771877U patent/CN201982046U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927177A (en) * | 2016-06-07 | 2016-09-07 | 北方斯伦贝谢油田技术（西安）有限公司 | Power-driven casing patching power device |
| CN105927177B (en) * | 2016-06-07 | 2018-05-18 | 北方斯伦贝谢油田技术（西安）有限公司 | A kind of electric drive casing patching power set |
| CN110608007A (en) * | 2019-10-31 | 2019-12-24 | 西安石油大学 | Rotary propelling type hydraulic ball sleeve shaper |
| CN110608007B (en) * | 2019-10-31 | 2023-06-20 | 西安石油大学 | Rotary push type hydraulic ball sleeve shaper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
|
| CX01 | Expiry of patent term |