CN101915082A - Method for removing blockage of oil-water well through magnetic positioning pulse acidification - Google Patents
Method for removing blockage of oil-water well through magnetic positioning pulse acidification Download PDFInfo
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- CN101915082A CN101915082A CN2010102365219A CN201010236521A CN101915082A CN 101915082 A CN101915082 A CN 101915082A CN 2010102365219 A CN2010102365219 A CN 2010102365219A CN 201010236521 A CN201010236521 A CN 201010236521A CN 101915082 A CN101915082 A CN 101915082A
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Abstract
The invention discloses a method for removing the blockage of an oil-water well through magnetic positioning pulse acidification, which is used for acidifying an oil well in an oil field. The method comprises the following steps of: clearing and reshaping a mine shaft with a drift size gauge, washing the mine shaft with active water, and substituting acidizing fluid for the active water in an oil pipe until the active water reaches the middle part of an oil layer; and lifting an oil outlet pipe, loading in a high-power pulse processing device, magnetically positioning a perforation interval of required measurement, checking data, starting the device to process, lifting the device to an interval needing to be processed to process again after meeting a design requirement, taking out the high-power pulse processing device after processing, loading a pump and completing the well after discharging liquid from a production well, and completing the well after loading a production oil pipe into a water injection well to backwash the water injection well. The method has the advantages that: the high-power pulse processing device can precisely position the perforation interval of the oil-water well; and after processing with the acidizing fluid during pulse processing, the processing radius and the processing efficiency of the acidizing fluid can be effectively guaranteed and blocking substances in ducts can be more effectively corroded.
Description
Technical field
The present invention relates to oil recovery technique field, oil field, particularly oil well acidation de-plugging construction is a kind of oilfield oil well oil reservoir positioning solution blocking method.
Background technology
At present, along with continually developing of oil field, the producing well reservoir can be because of a variety of causes appearance obstruction in various degree.Conventional method for removing blockage has acidifying, detonation pressure break, pressure break etc., but detonation pressure break and pressure break are relatively large to the reservoir influence degree owing to it, and the one, easily cause man-made fracture and intrinsic fracture to link up and generation water breakthrough phenomenon, make the quick water breakthrough of producing well; The 2nd, transform application point and can't accurately control, be difficult to realize selectivity or evenly de-plugging, comparatively difficult for the section transformation.The acidizing treatment treatment radius is limited, and acid solution is difficult to go deep into the stratum and removes the obstruction of reservoir deep.
Summary of the invention
The objective of the invention is: a kind of method for removing blockage of oil-water well through magnetic positioning pulse acidification is provided, utilize the 2 pairs of oil-water well perforated intervals 3 of magnetic orientation device on the highpowerpulse treating apparatus to examine the location, when targetedly a perforated interval being carried out pulse, use acid solution to handle, improve treatment radius and treatment effeciency, effectively the obstruction in the corrosion duct.
The technical solution used in the present invention is: method for removing blockage of oil-water well through magnetic positioning pulse acidification: with burst process device G.I.H, utilize magnetic orientation device self-contained on the burst process device that the perforated interval of required pulse acidification to dispel block is positioned; The burst process device is carried out the rate burst process down to required pulse acidification position; Starting impulse treating apparatus, burst process device produce the high energy pulse ripple to be separated with rock the obstruction that adheres in the reservoir; Utilize acid solution that isolated obstruction is carried out corrosion in the time of burst process.Can enter the reservoir deep by the duct of processing mediation, the deep be stopped up removed, handle interval and can freely control with processing intensity.According to acid solution joining day difference, can be divided into two kinds of methods.
Method for removing blockage of oil-water well through magnetic positioning pulse acidification 1:
A, at first is that 114～124 millimeters drift size gauge tool is connected the oil pipe lower end and is lowered in the sleeve pipe with external diameter, utilizes drift size gauge tool that internal surface of sleeve pipe is cleared up shaping, makes the drift size gauge tool can be without hindrance by sleeve pipe smoothly;
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe in well carry out positive clean-out service to internal surface of sleeve pipe, remove dirty in the pit shaft;
C, in well, inject acidifying solution, replace active water in the oil pipe, by in well, injecting active water in the oil pipe, acidifying solution is replaced to reservoir again, acid solution is existed in the sleeve pipe with acidifying solution by oil pipe;
D, flowline and drift size gauge tool; The burst process device is connected the lower end of wire rope and cable, utilizes wire rope and cable that the burst process device is lowered in the sleeve pipe, utilize magnetic locator self-contained on the burst process device to determine the position at burst process device place; When definite burst process position that device is lowered to is in the perforated interval position that need carry out de-plugging, the unbalanced pulse treating apparatus, the burst process device produces medium in the impulse wave impinge upon earth strata hole, make reservoir produce new macrocrack or microcrack with stronger impact shock power, the burst process device opening time is 30 minutes, finish one section reservoir burst process, close the burst process device.On carry wire rope and cable and carry the burst process device 10～50cm that moves up, the unbalanced pulse treating apparatus carries out burst process once more; Handle through cycle pulse like this, finish the perforated interval that the down-hole all needs burst process.
E, burst process finish and trip out the burst process device;
F, following production tube and oil well pump carry out pumping or backwash discharge acid solution, recover the oil or water filling production again; Or the discharge acidifying solution, be lowered to and carry out water filling behind the production tube anti-flushing well and improve strata pressure.
Method for removing blockage of oil-water well through magnetic positioning pulse acidification 2:
A, at first is that 114～124 millimeters drift size gauge tool is connected the oil pipe lower end and is lowered in the sleeve pipe with external diameter, utilizes drift size gauge tool that internal surface of sleeve pipe is cleared up shaping, makes the drift size gauge tool can be without hindrance by sleeve pipe smoothly;
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe carry out positive clean-out service to internal surface of sleeve pipe, remove dirty in the pit shaft;
C, flowline and drift size gauge tool; The burst process device is connected the lower end of wire rope and cable, utilizes wire rope and cable that the burst process device is lowered in the sleeve pipe, utilize magnetic locator self-contained on the burst process device to determine the position at burst process device place; When definite burst process position that device is lowered to is in the perforated interval position that need carry out de-plugging, the unbalanced pulse treating apparatus, the burst process device produces medium in the impulse wave impinge upon earth strata hole, make reservoir produce new macrocrack or microcrack with stronger impact shock power, the burst process device opening time is 30 minutes, finish one section reservoir burst process, close the burst process device.On carry wire rope and cable and carry the burst process device 10～50cm that moves up, the unbalanced pulse treating apparatus carries out burst process once more; Handle through cycle pulse like this, finish the perforated interval that the down-hole all needs burst process.
D, burst process finish and trip out the burst process device;
E, in sleeve pipe, be lowered to oil pipe, in oil pipe, inject the positive well-flushing tube of active water, replace into acid solution to being full of oil pipe by oil pipe again.
F, closed-in well muzzle pipe closer door are clamp-oned a small amount of acid solution in sleeve pipe in oil pipe, clamp-on the active water of oil pipe volume again, and injection pressure is lower than this well formation fracture pressure, and acid solution is clamp-oned in the reservoir; Acidifying solution is discharged in closing well reaction 2 hours.
G, a flowline are lowered to production tube and oil well pump then, recover the oil or water filling production.
Described magnetic locator is an instrument of measuring pit shaft inner sleeve box cupling position.Form by the permanent magnet and the coil that are contained in the copper shell.When instrument moves through casing coupling in well,, make the magnetic flux change of passing coil and produce induced electromotive force because sleeve pipe thickening in box cupling place has changed the distribution of magnet surrounding magnetic field.Write down faradic size, will obtain a casing coupling curve.According to the casing coupling curve, cooperate the casing programme data can accurately determine perforation position in the well.Shaanxi Weixun Petroleum Technology Co., Ltd.'s production also has production marketing.The model of magnetic locator is CDW-01.
Described burst process device is high cumulative large power, electrically pulse oil reservoir treating apparatus, is a kind ofly to make formation rock surpass the device that fatigue strength produces microcrack by the superpower shock wave of water high voltage appearance Pulsed Discharge.It utilizes the ground power supply switch board by the cable of perforation cable car power supply to be given the down-hole high pressure dc source and boosted and is rectified to 30kV, gives high cumulative energy-storage capacitor charging; When the voltage of high power-assembling electricity container reached the work threshold value of energy controller, the electric energy of capacitor stores passed to energy converter through energy controller; Energy converter converts the electric energy that stores in the capacitor in the liquid mechanical energy---pulse shock energy by electrohydraulic effect, and discharge current also inspires powerful transient electromagnetic field simultaneously.Shaanxi Weixun Petroleum Technology Co., Ltd.'s production also has production marketing.The model of high cumulative large power, electrically pulse oil reservoir treating apparatus is WXEB30/4.5.
Beneficial effect of the present invention: method for removing blockage of oil-water well through magnetic positioning pulse acidification of the present invention, utilize the magnetic orientation device on the highpowerpulse treating apparatus to examine the location to the oil-water well perforated interval, targetedly arbitrary reservoir perforated interval is carried out continuously, accurately handles, can control handle intensity, in can layer to oil-water well, the interlayer section adjusts, make the improvement that becomes of oil-water well section, become even.Use acid solution to handle in burst process, impulse wave promotes acid solution and enters darker, littler hole, improves the treatment radius and the treatment effeciency of acid solution, the obstruction in more effective corrosion duct.
Description of drawings
Fig. 1 is a method for removing blockage of oil-water well through magnetic positioning pulse acidification of the present invention down-hole pulse acidification de-plugging operation structure generalized section.
Fig. 2 is that sour operation schematic diagram structural profile schematic diagram is squeezed in method for removing blockage of oil-water well through magnetic positioning pulse acidification of the present invention down-hole.
Among the figure, 1. acidifying solution, 2. burst process device, 3. perforated interval, 4. sleeve gate, 5. oil pipe, 6. sleeve pipe, 7. reservoir, 8. wire rope and cable, 9. impulse wave.
The specific embodiment
Embodiment 1: with muzzle pipe 6 internal diameters is 120 millimeters, 2400 meters of well depths, and 5 meters of the thickness of reservoir 7, the position of reservoir 7 uses method for removing blockage of oil-water well through magnetic positioning pulse acidification to be example at the oil well of 2000-2005 rice, and the present invention is described in further detail.
A, at first carry out drifting, consult Fig. 2.With external diameter is that 118 millimeters drift size gauge tool is connected oil pipe 5 lower ends and is lowered in the sleeve pipe 6, utilizes drift size gauge tool that full casing 6 inwalls are cleared up shaping, makes the drift size gauge tool can be without hindrance by sleeve pipe 6 smoothly.
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe 5 carry out positive clean-out service to sleeve pipe 6 inwalls, remove dirty in the pit shaft;
C, in oil pipe 5, replace into 6m
3 Acid solution 1 replaces active water in the oil pipe 5 with acid solution 1, uses 4m again
3Active water for to reservoir 7, is present in the sleeve pipe 6 the part acid solution from oil pipe 5;
D, flowline 5 and drift size gauge tool; Consult Fig. 1.Burst process device 2 is connected the lower end of wire rope and cable 8, and burst process device 2 models are WXEB30/4.5, and the power of burst process device 2 is 2000W.It is CDW-01 that burst process device 2 carries magnetic orientation device model.Utilize wire rope and cable 8 that burst process device 2 is lowered in the sleeve pipe 6, utilize magnetic locator self-contained on the burst process device 2 to determine the position at burst process device 2 places; When definite burst process device 2 position that is lowered to was in perforated interval 3 positions that need carry out de-plugging, promptly burst process device 2 depth of settings were 2005 meters.Unbalanced pulse treating apparatus 2, the burst process device produces impulse wave, medium in the impulse wave 9 impinge upon earth strata holes, make reservoir 7 produce new macrocrack or microcrack with stronger impact shock power, 2 opening times of burst process device are 30 minutes, finish one section reservoir 7 burst process, close burst process device 2.On carry wire rope and cable 8 and carry burst process device 2 30cm that moves up, unbalanced pulse treating apparatus 2 carries out burst process once more, on carry wire rope and cable 8 and carry burst process device 2 30cm that moves up; Handle through cycle pulse like this, 5 meters thick reservoirs 7 are finished burst process.Promptly finish the perforated interval 3 that the down-hole all needs burst process.
E, burst process finish and trip out burst process device 2;
F, following production tube and oil well pump carry out pumping or backwash discharge acid solution 1, recover the oil or water filling production again.
Method for removing blockage of oil-water well through magnetic positioning pulse acidification embodiment 2: with muzzle pipe 6 internal diameters is 120 millimeters, 2025 meters of well depths, 5 meters of the thickness of reservoir 7, the position of reservoir 7 is at the oil well of 2000-2005 rice, use method for removing blockage of oil-water well through magnetic positioning pulse acidification to be example, the present invention is described in further detail.
A, at first carry out drifting, consult Fig. 2.With external diameter is that 118 millimeters drift size gauge tool is connected oil pipe 5 lower ends and is lowered in the sleeve pipe 6, utilizes drift size gauge tool that sleeve pipe 6 inwalls are cleared up shaping, makes the drift size gauge tool can be without hindrance by sleeve pipe 6 smoothly;
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe 5 carry out positive clean-out service to sleeve pipe 6 inwalls, remove dirty in the pit shaft;
C, flowline 5 and drift size gauge tool; Consult Fig. 1.Burst process device 2 is connected the lower end of wire rope and cable 8, and burst process device 2 models are WXEB30/4.5, and the power of burst process device 2 is 2000W.It is CDW-01 that burst process device 2 carries magnetic orientation device model.Utilize wire rope and cable 8 that burst process device 2 is lowered in the sleeve pipe 6, utilize magnetic locator self-contained on the burst process device 2 to determine the position at burst process device 2 places; When definite burst process device 2 position that is lowered to was in perforated interval 3 positions that need carry out de-plugging, promptly burst process device 2 depth of settings were 2005 meters.Unbalanced pulse treating apparatus 2, the burst process device produces impulse wave, medium in the impulse wave 9 impinge upon earth strata holes, make reservoir 7 produce new macrocrack or microcrack with stronger impact shock power, 2 opening times of burst process device are 30 minutes, finish one section reservoir 7 burst process, close burst process device 2.On carry wire rope and cable 8 and carry burst process device 2 30cm that moves up, unbalanced pulse treating apparatus 2 carries out burst process once more; Handle through cycle pulse like this, 5 meters thick reservoirs 7 are finished burst process.Promptly finish the perforated interval 3 that the down-hole all needs burst process.
D, burst process finish and trip out burst process device 2;
E, be lowered to oil pipe 5 in sleeve pipe 6, big discharge capacities are injected the positive well-flushing tube of active waters in the oil pipe 5, replace 6m by oil pipe 5 again
3 Acid solution 1 is to being full of oil pipe.
F, closed-in well muzzle pipe closer door 4 are clamp-oned 4m in sleeve pipe 6 in oil pipe 5
3 Acid solution 1 is clamp-oned 6m again
3Active water, injection pressure are lower than this well formation fracture pressure, acid solution 1 are clamp-oned in the reservoir 7 closing well reaction 2 hours; Discharge acidifying solution 1.
G, a flowline 5 are lowered to production tube and oil well pump then, recover the oil or water filling production.
Claims (5)
1. a method for removing blockage of oil-water well through magnetic positioning pulse acidification is characterized in that: with burst process device (2) G.I.H, utilize the upward self-contained magnetic orientation device of burst process device (2) that the perforated interval (3) of required pulse acidification to dispel block is positioned; With burst process device (2) down to required pulse acidification position; Starting impulse treating apparatus (2), burst process device (2) produce the high energy pulse ripple to be separated with rock the obstruction that adheres in the reservoir (7); Utilize acid solution that isolated obstruction is carried out corrosion in the time of burst process.
2. method for removing blockage of oil-water well through magnetic positioning pulse acidification as claimed in claim 1 is characterized in that:
A, at first, with external diameter is that 114～124 millimeters drift size gauge tool is connected oil pipe (5) lower end and is lowered in the sleeve pipe (6), utilize drift size gauge tool that sleeve pipe (6) inwall is cleared up shaping, it is without hindrance to make drift size gauge tool pass through sleeve pipe (6) smoothly, guarantees that highpowerpulse treating apparatus (2) can be smoothly by not being stuck;
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe (5) in well carry out positive clean-out service to sleeve pipe (6) inwall, remove dirty in the pit shaft;
C, in well, inject acidifying solution (1), replace active water in the oil pipe (5), by in well, injecting active water in the oil pipe (5), acidifying solution (1) is replaced to reservoir (7) again, acid solution is existed in the sleeve pipe (6) with acidifying solution (1) by oil pipe (5);
D, flowline (5) and drift size gauge tool; Burst process device (2) is connected the lower end of wire rope and cable (8), utilize wire rope and cable (8) that burst process device (2) is lowered in the sleeve pipe (6), utilize burst process device (2) to go up the position that self-contained magnetic locator is determined burst process device (2) place; When definite burst process device (2) position that is lowered to is in perforated interval (3) position that need carry out de-plugging, unbalanced pulse treating apparatus (2), the burst process device produces medium in impulse wave (9) the impinge upon earth strata hole, make reservoir (7) produce new macrocrack or microcrack with stronger impact shock power, burst process device (2) opening time is 30 minutes, finish one section reservoir (7) burst process, close burst process device (2); On carry wire rope and cable (8) and carry burst process device (2) 10～50cm that moves up, unbalanced pulse treating apparatus (2) carries out burst process once more; Handle through cycle pulse like this, finish the perforated interval (3) that the down-hole all needs burst process;
E, burst process finish and trip out burst process device (2);
F, following production tube and oil well pump carry out pumping or backwash discharge acid solution (1), recover the oil or water filling production again.
3. method for removing blockage of oil-water well through magnetic positioning pulse acidification as claimed in claim 1 is characterized in that:
A, at first, with external diameter is that 114～124 millimeters drift size gauge tool is connected oil pipe (5) lower end and is lowered in the sleeve pipe (6), utilize drift size gauge tool that sleeve pipe (6) inwall is cleared up shaping, it is without hindrance to make drift size gauge tool pass through sleeve pipe (6) smoothly, guarantees that highpowerpulse treating apparatus (2) can be smoothly by not being stuck;
B, the active water that is injected with surfactant and expansion-resisting agent by oil pipe (5) carry out positive clean-out service to sleeve pipe (6) inwall, remove dirty in the pit shaft;
C, flowline (5) and drift size gauge tool; Burst process device (2) is connected the lower end of wire rope and cable (8), utilize wire rope and cable (8) that burst process device (2) is lowered in the sleeve pipe (6), utilize burst process device (2) to go up the position that self-contained magnetic locator is determined burst process device (2) place; When definite burst process device (2) position that is lowered to is in perforated interval (3) position that need carry out de-plugging, unbalanced pulse treating apparatus (2), the burst process device produces medium in impulse wave (9) the impinge upon earth strata hole, make reservoir (7) produce new macrocrack or microcrack with stronger impact shock power, burst process device (2) opening time is 30 minutes, finish one section reservoir (7) burst process, close burst process device (2); On carry wire rope and cable (8) and carry burst process device (2) 10～50cm that moves up, unbalanced pulse treating apparatus (2) carries out burst process once more; Handle through cycle pulse like this, finish the perforated interval (3) that the down-hole all needs burst process;
D, burst process finish and trip out burst process device (2);
E, in sleeve pipe (6), be lowered to oil pipe (5), in oil pipe (5), inject the positive well-flushing tube of active water, go into acid solution (1) to being full of oil pipe by oil pipe (5) replacement again;
F, closed-in well muzzle pipe closer door (4) are clamp-oned a small amount of acid solution (1) in sleeve pipe (6) in oil pipe (5), clamp-on the active water of oil pipe (5) volume again, and injection pressure is lower than this well formation fracture pressure, and acid solution (1) is clamp-oned in the reservoir (7); Acidifying solution (1) is discharged in closing well reaction 2 hours;
G, a flowline (5) are lowered to production tube and oil well pump then, recover the oil or water filling production.
4. as claim 2 or 3 described method for removing blockage of oil-water well through magnetic positioning pulse acidification, it is characterized in that: described burst process device (2) model is WXEB30/4.5, and the power of burst process device (2) is between 800～2000W.
5. as claim 2 or 3 described method for removing blockage of oil-water well through magnetic positioning pulse acidification, it is characterized in that: described magnetic orientation device model is CDW-01.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594901A (en) * | 2014-12-08 | 2015-05-06 | 太原理工大学 | Method for enabling working face to pass through igneous rock intrusion area |
| CN106555579A (en) * | 2017-01-01 | 2017-04-05 | 陕西海山能源发展有限公司 | A kind of oil-water well fixed tubular column acidification technique system |
| CN108049852A (en) * | 2017-11-07 | 2018-05-18 | 华中科技大学 | Frscturing device and method based on liquid electric pulse shock wave and chemical agent augmented injection |
| CN108776357A (en) * | 2018-04-16 | 2018-11-09 | 中煤科工集团西安研究院有限公司 | The bearing calibration of sedimentary formation transient electromagnetic method electromagnetic interference and device |
| CN110043225A (en) * | 2019-04-16 | 2019-07-23 | 西安益特能源科技有限公司 | Inversely surge method for removing blockage for a kind of underground |
| CN110513053A (en) * | 2018-05-22 | 2019-11-29 | 中国石油化工股份有限公司 | Soluble oil pipe column |
| CN111305774A (en) * | 2020-03-12 | 2020-06-19 | 胜利油田物华石油装备制造有限公司 | Online monitoring and cleaning system for oil-water well operation and online monitoring method thereof |
| CN111577237A (en) * | 2020-05-29 | 2020-08-25 | 中国海洋石油集团有限公司 | Water hammer composite fracturing process method for low-permeability oil field |
| CN115405279A (en) * | 2022-08-26 | 2022-11-29 | 武汉华工融军科技有限公司 | Hydraulic pulse shock wave petroleum yield increasing device |
| CN116971757A (en) * | 2023-09-25 | 2023-10-31 | 山东成林石油工程技术有限公司 | Oil and gas field water hammer fracturing and acidizing integrated device and use method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1361346A (en) * | 2000-12-29 | 2002-07-31 | 中国石油天然气股份有限公司 | Repeated pressure applying and releasing pulsed unblocking process |
| CN1975103A (en) * | 2006-12-09 | 2007-06-06 | 中国石化股份胜利油田分公司孤岛采油厂 | Chemical pulse compound unplugging method |
| US7546877B1 (en) * | 2007-07-23 | 2009-06-16 | Well Enhancement & Recovery Systems, Llc | Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers |
-
2010
- 2010-07-22 CN CN2010102365219A patent/CN101915082A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1361346A (en) * | 2000-12-29 | 2002-07-31 | 中国石油天然气股份有限公司 | Repeated pressure applying and releasing pulsed unblocking process |
| CN1975103A (en) * | 2006-12-09 | 2007-06-06 | 中国石化股份胜利油田分公司孤岛采油厂 | Chemical pulse compound unplugging method |
| US7546877B1 (en) * | 2007-07-23 | 2009-06-16 | Well Enhancement & Recovery Systems, Llc | Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers |
Non-Patent Citations (3)
| Title |
|---|
| 尹萍: "冲击波解堵技术在江苏油田现场的应用", 《内江科技》 * |
| 王天波等: "低频脉冲振荡解堵仪的研制与应用", 《石油仪器》 * |
| 陈晓明等: "振动-酸化复合解堵增注技术在莫北油田的应用", 《钻采工艺》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594901A (en) * | 2014-12-08 | 2015-05-06 | 太原理工大学 | Method for enabling working face to pass through igneous rock intrusion area |
| CN106555579A (en) * | 2017-01-01 | 2017-04-05 | 陕西海山能源发展有限公司 | A kind of oil-water well fixed tubular column acidification technique system |
| CN108049852A (en) * | 2017-11-07 | 2018-05-18 | 华中科技大学 | Frscturing device and method based on liquid electric pulse shock wave and chemical agent augmented injection |
| CN108776357B (en) * | 2018-04-16 | 2019-10-01 | 中煤科工集团西安研究院有限公司 | The bearing calibration of sedimentary formation transient electromagnetic method electromagnetic interference and device |
| CN108776357A (en) * | 2018-04-16 | 2018-11-09 | 中煤科工集团西安研究院有限公司 | The bearing calibration of sedimentary formation transient electromagnetic method electromagnetic interference and device |
| CN110513053A (en) * | 2018-05-22 | 2019-11-29 | 中国石油化工股份有限公司 | Soluble oil pipe column |
| CN110043225A (en) * | 2019-04-16 | 2019-07-23 | 西安益特能源科技有限公司 | Inversely surge method for removing blockage for a kind of underground |
| CN110043225B (en) * | 2019-04-16 | 2021-06-18 | 西安益特能源科技有限公司 | Underground reverse hydraulic blockage removal method |
| CN111305774A (en) * | 2020-03-12 | 2020-06-19 | 胜利油田物华石油装备制造有限公司 | Online monitoring and cleaning system for oil-water well operation and online monitoring method thereof |
| CN111577237A (en) * | 2020-05-29 | 2020-08-25 | 中国海洋石油集团有限公司 | Water hammer composite fracturing process method for low-permeability oil field |
| CN115405279A (en) * | 2022-08-26 | 2022-11-29 | 武汉华工融军科技有限公司 | Hydraulic pulse shock wave petroleum yield increasing device |
| CN115405279B (en) * | 2022-08-26 | 2023-09-15 | 武汉华工融军科技有限公司 | Liquid electric pulse shock wave petroleum yield increasing device |
| CN116971757A (en) * | 2023-09-25 | 2023-10-31 | 山东成林石油工程技术有限公司 | Oil and gas field water hammer fracturing and acidizing integrated device and use method |
| CN116971757B (en) * | 2023-09-25 | 2023-11-24 | 山东成林石油工程技术有限公司 | Oil and gas field water hammer fracturing and acidizing integrated device and use method |
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Application publication date: 20101215 |