CN113153179A - Single-well overload separation device of single-machine multi-well pumping unit - Google Patents
Single-well overload separation device of single-machine multi-well pumping unit Download PDFInfo
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- CN113153179A CN113153179A CN202110354220.4A CN202110354220A CN113153179A CN 113153179 A CN113153179 A CN 113153179A CN 202110354220 A CN202110354220 A CN 202110354220A CN 113153179 A CN113153179 A CN 113153179A
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- 238000005086 pumping Methods 0.000 title claims abstract description 51
- 238000000926 separation method Methods 0.000 title abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 230000036544 posture Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 239000003129 oil well Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a single well overload separation device of a single-machine multi-well pumping unit, which relates to oil exploitation equipment and comprises: the load middle shaft is connected with the first power flexible rope and the load middle pipe; one end of the load middle pipe is sleeved with the load middle shaft, and the other end of the load middle pipe is connected with a second power flexible rope; the jaw mechanism is arranged on the load middle shaft, so that the load middle shaft and the load middle pipe are relatively fixed; the control outer pipe is sleeved outside the load middle pipe and used for adjusting the posture of the clamping jaw; and one end of the control rope is connected with the first power flexible rope or the second power flexible rope, and the other end of the control rope is connected with the control outer pipe and used for transferring the load on the first power flexible rope or the second power flexible rope to the control outer pipe so as to drive the control outer pipe to adjust the posture of the clamping jaw. The device is used as a weak point on a power output circuit of the pumping unit, the system safety of the single-machine multi-well pumping unit can be improved, the single-well power flexible rope automatically breaks away from the system after being overloaded, and the normal work of the system and other wells is not influenced.
Description
Technical Field
The invention relates to oil exploitation equipment, in particular to a single-well overload separation device of a single-machine multi-well pumping unit.
Background
In recent years, the oil price is low, the exploitation benefit of the oil field is worsened year by year, more than 200 thousands of oil pumping wells are used in the existing oil pumping wells of the oil fields at home and abroad, most of the oil pumping wells are oil pumping by oil pumping units, and the oil pumping units have the defects of large energy consumption, large volume, large weight and low oil pumping efficiency due to the fact that the oil pumping units are developed for nearly one hundred years. With the technical progress of pumping multiple wells by one machine, the pumping unit main machine single-power-driven multiple-hole well reciprocating pumping becomes the development direction in the future, but the normal work of a single-machine multiple-well pumping unit system and other wells can be influenced due to accidental single well failure or overlarge load during pumping stop. In order to allow a multi-well pumping unit system to operate safely and smoothly, a safety device is needed to reduce the adverse effect of single-well overload on the whole pumping unit system.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art or the related technology, and provides a single-well overload separation device of a single-machine multi-well pumping unit, which can realize that a power flexible rope automatically separates from a pumping unit main machine, so that a multi-well pumping unit system can safely and stably run.
The invention is realized by the following technical scheme: a single well overload release device of a single-machine multi-well pumping unit comprises: one end of the load middle shaft is connected with the first power flexible rope, and the other end of the load middle shaft is connected with the load middle pipe; one end of the load middle pipe is sleeved with the load middle shaft, and the other end of the load middle pipe is connected with a second power flexible rope, so that the whole body formed by the first power flexible rope, the load middle shaft, the load middle pipe and the second power flexible rope commonly bears the load of the pumping well; the clamping jaw mechanism is arranged on the load middle shaft and is in clamping fit with the pipe wall of the load middle pipe through a clamping jaw, so that the load middle shaft and the load middle pipe are relatively fixed; the control outer pipe is sleeved outside the load middle pipe and used for contacting the clamping jaws to adjust the postures of the clamping jaws so that the load middle shaft is separated from the load middle pipe; and one end of the control rope is connected with the first power flexible rope or the second power flexible rope, and the other end of the control rope is connected with the control outer pipe and used for transferring the load on the first power flexible rope or the second power flexible rope to the control outer pipe so as to drive the control outer pipe to adjust the posture of the clamping jaw.
According to the single-well overload release device of the single-machine multi-well pumping unit provided by the invention, preferably, the power flexible rope connected with the load middle shaft is provided with the elastic element so as to enable the power flexible rope to generate axial deformation in an overload state.
According to the present invention, the single-well overload releasing device of the single-machine multi-well pumping unit preferably further comprises: and the fixed disc is fixed on the power flexible rope and is connected with the control rope through a control rope adjusting screw.
According to the present invention, the single-well overload releasing device of the single-machine multi-well pumping unit preferably further comprises: and the positioning pin penetrates through the control outer pipe and the load middle pipe and is used for limiting the relative movement between the control outer pipe and the load middle pipe and converting the load on the power flexible rope onto the control rope.
According to the present invention, the single-well overload releasing device of the single-machine multi-well pumping unit preferably further comprises: the tension meter is arranged between the power flexible rope and the control rope, one end of the tension meter is connected with the power flexible rope, and the other end of the tension meter is connected with the control rope.
According to the single-well overload disconnecting device of the single-machine multi-well pumping unit provided by the invention, preferably, the tension meter is connected to the data acquisition module, wherein the data acquisition module is connected to the Internet of things.
According to the single-well overload release device of the single-machine multi-well pumping unit provided by the invention, preferably, the jaw mechanism specifically comprises: the clamping device comprises an upper clamping jaw, a lower clamping jaw, a supporting spring and an articulated shaft, wherein the upper clamping jaw and the lower clamping jaw are fixed on a load middle shaft through the articulated shaft, and the supporting spring is arranged between the free ends of the upper clamping jaw and the lower clamping jaw.
According to the single-well overload release device of the single-machine multi-well pumping unit provided by the invention, preferably, the load middle shaft is connected with the power flexible rope through the wedge-shaped joint of the steel wire rope.
The beneficial effects obtained by the invention at least comprise: the device is connected to a power flexible rope between a pumping unit main machine and an oil well and is used as a weak link on a power output circuit, so that the influence of accidental fault of a single oil well in a multi-well machine system or overlarge load during pumping stop on normal work of the system and other wells is prevented, and the function of overload protection is played; after the positioning pin is inserted, the tension meter can be used for measuring and calculating the load of a single oil well during working, the system safety is guaranteed, normal working of the system and other wells is not affected, and the load of the oil well during working can be measured and calculated.
Drawings
Fig. 1 is a schematic structural diagram illustrating a single-well overload release apparatus of a single-machine multi-well pumping unit according to an embodiment of the present invention.
In the figure: 1. the device comprises a steel wire rope, 2 control rope adjusting screws, 3 control ropes, 4 steel wire rope wedge-shaped joints, 5 load middle shafts, 6 clamping jaws, 7 positioning pins, 8 hinge shafts, 9 fixing plates, 10 tension meters, 11 elastic elements, 12 supporting springs, 13 control outer pipes and 14 load middle pipes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the single-well overload release device of the single-machine multi-well pumping unit disclosed by the invention comprises: the device comprises a steel wire rope 1, a clamping jaw 6, a load middle shaft 5, a load middle pipe 14, a control outer pipe 13, a control rope 3, a tension meter 10, a positioning pin 7, a fixed disc 9 and a control rope adjusting screw 2. The device is arranged on a steel wire rope (power flexible rope) between a main machine of the oil pumping unit and an oil well, the steel wire rope at one end of the main machine is connected on a load middle shaft 5, and the load middle shaft is connected with the steel wire rope through a steel wire rope wedge-shaped joint 4. The steel wire rope at one end of the oil well is connected with a load middle pipe 14, and a load middle shaft 5 is connected with the load middle pipe 14 through a claw 6 arranged on the load middle shaft. The jack catch includes specifically: the clamping device comprises an upper clamping jaw, a lower clamping jaw, a supporting spring 12 and a hinged shaft 8, wherein the upper clamping jaw and the lower clamping jaw are fixed on a load middle shaft through the hinged shaft, and the supporting spring is arranged between the free ends of the upper clamping jaw and the lower clamping jaw. Selecting a section of steel wire rope from the middle shaft end of the load to the main machine part as an elastic element 11, connecting the elastic element 11 with the control rope 3 through a fixed disc 9, connecting the control rope 3 with an outermost control outer tube 13, limiting the maximum load of the steel wire rope 3 in normal operation, calculating the elongation of the steel wire rope elastic element 11 under the load, and calculating the length of the control rope 3 by adding the elongation of the elastic element 11 under the load to the length of the elastic element 11. When the steel wire rope 1 is loaded and exceeds the maximum load, the elongation of the elastic element 11 exceeds a limit value, the control outer pipe 13 is automatically pulled through the control rope 3, and the control outer pipe 13 is pulled to open the clamping jaw 6, so that automatic separation is realized. The control rope is also provided with a tension meter 10, a positioning pin 7 is inserted, the control outer pipe 13 is connected with the load middle pipe 14, the load middle shaft 5 is taken out, and the tension meter 10 on the control rope 3 can be used for measuring the load of the oil well.
In the embodiment, the whole body consisting of the load middle shaft, the main machine side power flexible rope, the load middle shaft, the load middle pipe and the oil well side power flexible rope commonly bears the load of the pumping well; the jaw mechanism is arranged on the load middle shaft and is in clamping fit with the pipe wall of the load middle pipe through a jaw, so that the load middle shaft and the load middle pipe are relatively fixed; the control rope transfers the load of the power flexible rope to the control outer pipe to drive the control outer pipe to adjust the posture of the clamping jaw; the control outer pipe is sleeved outside the load middle pipe and used for contacting the clamping jaws to adjust the postures of the clamping jaws, so that the load middle shaft is separated from the load middle pipe.
According to the above embodiment, preferably, the tension meter is connected to a data acquisition module, wherein the data acquisition module is connected to the internet of things.
The device realizes automatic overload separation by utilizing the elastic extension of the steel wire rope stressed and deformed, takes the steel wire rope between the fixed disc and the load middle shaft as an elastic element, and takes a control rope and a control outer pipe which are connected with the fixed disc on the end point of the elastic element as a control part to control whether to separate. When the automatic separation device works, a clamping jaw on a middle shaft of a load is buckled on a hollow groove on a middle pipe of the load, the middle part of the load is loaded, the elastic element is loaded, deformed and extended, the fixed disc drags the control rope along with the elastic element, the control rope drags the control outer pipe, and when the extension reaches a measured value in advance, the control outer pipe reaches a designated position and is pulled to open the clamping jaw to realize automatic separation.
The control rope is provided with a tension meter, when a pin on the control outer pipe is not inserted, the device plays a role of overload protection, when the pin is inserted, the control outer pipe and the load middle pipe are connected, the control rope bears load at the moment, the tension meter on the control rope measures and calculates the load borne by the system at the moment, and the tension meter can be used for setting the length of the control rope according to the load when the tension meter is disengaged.
The control part consists of a control rope, a control rope adjusting screw, a tension meter and a control outer pipe. The control rope is a flexible rope, and a control rope adjusting screw is mounted on the control rope, so that the disengaging load can be conveniently set, and the length of the control rope can be conveniently adjusted in real time. When the length of the control rope is adjusted, the adjusting screw is unscrewed, the length of the control rope can be freely adjusted, and after the ideal length is adjusted, the adjusting screw is screwed down for fixing the length.
According to the embodiment, the single-well overload separation device of the single-machine multi-well pumping unit can prevent the single oil well from accidentally failing or being overloaded when the pumping is stopped in a multi-well pumping unit system, so that the normal work of the system and other wells is influenced, and the overload protection effect is realized; the overload protection value can be set through the tension meter, the oil well load change during the system operation is measured through the tension meter, and an oil well indicator diagram is drawn through the tension meter to test the single well load.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a single well overload disengaging gear of unit multiwell beam-pumping unit which characterized in that includes:
one end of the load middle shaft is connected with the first power flexible rope, and the other end of the load middle shaft is connected with the load middle pipe;
one end of the load middle pipe is sleeved with the load middle shaft, and the other end of the load middle pipe is connected with a second power flexible rope, so that the whole body formed by the first power flexible rope, the load middle shaft, the load middle pipe and the second power flexible rope commonly bears the load of the pumping well;
the clamping jaw mechanism is arranged on the load middle shaft and is in clamping fit with the pipe wall of the load middle pipe through a clamping jaw, so that the load middle shaft and the load middle pipe are relatively fixed;
the control outer pipe is sleeved outside the load middle pipe and used for contacting the clamping jaws to adjust the postures of the clamping jaws so that the load middle pipe and the load middle pipe are separated;
and one end of the control rope is connected with the first power flexible rope or the second power flexible rope, and the other end of the control rope is connected with the control outer pipe, so that the load on the first power flexible rope or the second power flexible rope is transferred to the control outer pipe to drive the control outer pipe to adjust the posture of the clamping jaw.
2. The single-well overload release device of a single-machine multi-well pumping unit according to claim 1, wherein the flexible power rope connected to the load middle shaft is provided with an elastic element so that the flexible power rope is axially deformed in an overload state.
3. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to claim 1, further comprising:
and the fixed disc is fixed on the power flexible rope and is connected with the control rope through a control rope adjusting screw.
4. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to claim 1, further comprising:
and the positioning pin penetrates through the control outer pipe and the load middle pipe and is used for limiting the relative movement between the control outer pipe and the load middle pipe and converting the load on the power flexible rope onto the control rope.
5. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to claim 4, further comprising:
the tension meter is arranged between the power flexible rope and the control rope, one end of the tension meter is connected with the power flexible rope, and the other end of the tension meter is connected with the control rope.
6. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to claim 5, wherein the tension meter is connected to a data acquisition module, wherein the data acquisition module is connected to the internet of things.
7. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to any one of claims 1 to 6, wherein the jaw mechanism specifically comprises: the clamping device comprises an upper clamping jaw, a lower clamping jaw, a supporting spring and a hinged shaft, wherein the upper clamping jaw and the lower clamping jaw are fixed on a load middle shaft through the hinged shaft, and the supporting spring is arranged between the free ends of the upper clamping jaw and the lower clamping jaw.
8. The single-well overload disconnecting device of the stand-alone multi-well pumping unit according to any one of claims 1 to 6, wherein the load middle shaft is connected with the power flexible rope through a wire rope wedge joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110354220.4A CN113153179B (en) | 2021-04-01 | 2021-04-01 | Single-well overload separation device of single-machine multi-well pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110354220.4A CN113153179B (en) | 2021-04-01 | 2021-04-01 | Single-well overload separation device of single-machine multi-well pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153179A true CN113153179A (en) | 2021-07-23 |
| CN113153179B CN113153179B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110354220.4A Active CN113153179B (en) | 2021-04-01 | 2021-04-01 | Single-well overload separation device of single-machine multi-well pumping unit |
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| CN (1) | CN113153179B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020096337A1 (en) * | 2001-01-24 | 2002-07-25 | Bouligny Vernon J. | Collar load support system and method |
| CN202058272U (en) * | 2011-04-02 | 2011-11-30 | 佘德风 | Oil well fault well-stopping alarm |
| US20130255802A1 (en) * | 2012-04-02 | 2013-10-03 | Cameron International Corporation | Valve and hydraulic controller |
| CN103362481A (en) * | 2012-04-11 | 2013-10-23 | 盐城薪力园实业有限公司 | Differential pressure load shedder of oil pumping unit |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| US20160362953A1 (en) * | 2014-11-26 | 2016-12-15 | Halliburton Energy Service, Inc. | Tractor traction control for cased hole |
| US20170044850A1 (en) * | 2003-03-05 | 2017-02-16 | Weatherford Technology Holdings, Llc | Apparatus for gripping a tubular on a drilling rig |
| CN208281401U (en) * | 2018-05-31 | 2018-12-25 | 九方泰禾国际重工(青岛)股份有限公司 | A kind of overload clutch with locking protection mechanism |
| CN209654464U (en) * | 2019-01-19 | 2019-11-19 | 南京聚力化工机械有限公司 | A kind of antioverloading shaft coupling |
-
2021
- 2021-04-01 CN CN202110354220.4A patent/CN113153179B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020096337A1 (en) * | 2001-01-24 | 2002-07-25 | Bouligny Vernon J. | Collar load support system and method |
| US20170044850A1 (en) * | 2003-03-05 | 2017-02-16 | Weatherford Technology Holdings, Llc | Apparatus for gripping a tubular on a drilling rig |
| CN202058272U (en) * | 2011-04-02 | 2011-11-30 | 佘德风 | Oil well fault well-stopping alarm |
| US20130255802A1 (en) * | 2012-04-02 | 2013-10-03 | Cameron International Corporation | Valve and hydraulic controller |
| CN103362481A (en) * | 2012-04-11 | 2013-10-23 | 盐城薪力园实业有限公司 | Differential pressure load shedder of oil pumping unit |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| US20160362953A1 (en) * | 2014-11-26 | 2016-12-15 | Halliburton Energy Service, Inc. | Tractor traction control for cased hole |
| CN208281401U (en) * | 2018-05-31 | 2018-12-25 | 九方泰禾国际重工(青岛)股份有限公司 | A kind of overload clutch with locking protection mechanism |
| CN209654464U (en) * | 2019-01-19 | 2019-11-19 | 南京聚力化工机械有限公司 | A kind of antioverloading shaft coupling |
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| Publication number | Publication date |
|---|---|
| CN113153179B (en) | 2022-06-24 |
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