CN105443100A - Fracturing method for controlling seam height by fixed-face perforation - Google Patents
Fracturing method for controlling seam height by fixed-face perforation Download PDFInfo
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- CN105443100A CN105443100A CN201510959487.0A CN201510959487A CN105443100A CN 105443100 A CN105443100 A CN 105443100A CN 201510959487 A CN201510959487 A CN 201510959487A CN 105443100 A CN105443100 A CN 105443100A
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- 230000008569 process Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 208000010392 Bone Fractures Diseases 0.000 description 18
- 206010017076 Fracture Diseases 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
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- 230000000452 restraining effect Effects 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- 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
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention provides a fracturing method adopting fixed-face perforation to control seam height, wherein a perforating gun carries out concentrated perforation on a target layer section, the perforating thickness is 0.5m, two perforating faces are formed, the distance between the two faces is 0.3m, and the number of perforations on each perforating plane is three. And the position of each perforation plane is preset, and each perforation plane is perpendicular to the longitudinal axis direction of the vertical shaft arranged at the target interval. The fracturing method for controlling the height of the seam by the fixed-face perforation provided by the invention ensures that the artificial seam extends in the effective reservoir for the reservoir with developed bottom water and the reservoir with the high and easily out-of-control difference seam under the shielding condition, avoids communicating the bottom water or the ineffective stratum and achieves the purpose of increasing the yield.
Description
Technical field
The invention belongs to well fracturing renovation technique field, be specifically related to a kind ofly determine face perforation and control the high fracturing process of seam.
Background technology
Hydraulic fracturing technology develops one of the most effective modification measures of low-permeability oil-gas Layer as current, has become the topmost means of exploitation low permeability pay.In fracturing transformation process, the upper and lower Restraining barrier of part oil reservoir, or storage interlayer longitudinal stress difference is less, the obstruction conditions of reservoir reconstruction is inadequate, capital causes seam in hydraulic fracturing process high out of control, and artificial reconstructed crack extends in non-reservoir, causes invalid support, have impact on correctional effect, the demand of economic development can not be met.
For the bottom water reservoir being representative with long celebrating Ji plateau long 9, profit obstruction conditions is poor, and longitudinal stress difference is little, adopts fracturing reform on a small scale, easily links up end water and cause formation testing water outlet; And the perforation adopting the intensity of rebuilding less, the rear easily low yield of acidifying transformation, correctional effect fails to make a breakthrough always.
The high fracturing technique of existing control seam, mainly start with from the infusion program of fracturing, adopt the mode of the repeated filling of proppant, the control action effect that opposite joint is high is undesirable.Prior art, not from perforation to fracturing whole-process control, can not effectively suppress to stitch high extension, and the oil reservoir causing the upper and lower obstruction conditions difference of oil reservoir and end water to grow, realizes economical and efficient exploitation.
Summary of the invention
The object of the invention is to solve the high fracturing effect of existing routine control seam undesirable, the problem of low yield after fracturing transformation.
For this reason, the invention provides and a kind ofly determine face perforation and control the high fracturing process of seam, comprise the steps:
Step one, transfers to interval of interest by cable or oil pipe by perforating gun;
Step 2, the perforation plane preset aimed at by perforating gun, perforation plane orthogonal is in the longitudinal center line of straight well pit shaft being arranged on interval of interest place, and perforation plane is crisscross arranged in the barrel both sides of straight well pit shaft, each perforating gun carries out perforation to described perforation plane successively or simultaneously, and the perforation number in each perforation plane is 3;
Step 3, after completing above-mentioned perforation work, with 0.8 ~ 1.4m
3pressure break discharge capacity in the perforation in perforation plane, inject sand-laden fluid, after the perforation in the perforation plane preset described in entering when sand-laden fluid, by fracturing to perforation carry out control seam high pressure break.
Distance between described adjacent two perforation planes is 0.3m.
Described perforating gun the body of a gun between perforation phase angle be 60 °.
The hole segment length that described perforating gun carries out perforation on described interval of interest is 0.5m.
Described perforating gun is 12 holes/m along the shot density in straight well pit shaft direction on interval of interest.
Beneficial effect of the present invention: provided by the inventionly thisly determine face perforation and control the high fracturing process of seam, by the perforation plane on interval of interest carries out perforation, make that each perforation plane has three perforations, three preforation tunnels in one plane form stress and concentrate.When fracturing is transformed, the man-made fracture of pressure break preferentially forms horizontal joint from this perforation plane, and to perforation plane bearing of trend to external expansion, after straight well pit shaft near wellbore zone turns to, the seam in crack is high have received very large restraining function, thus makes that seam is high obtains good control, oil reservoir and the high oil reservoir easily out of control of obstruction conditions difference seam are grown for end water, ensure that man-made fracture extends in Effective Reservoirs inside, avoid linking up end water or invalid stratum, reach the object of volume increase.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the perforating gun arrangement schematic diagram determined in the perforating methods of face in a perforation plane.
Description of reference numerals: 1, perforating gun; 2, perforation plane; 3, perforating bullet.
Detailed description of the invention
Embodiment 1:
Determine face perforation and control the high fracturing process of seam, comprise the steps:
Step one, transfers to interval of interest by cable or oil pipe by perforating gun 1;
Step 2, the perforation plane 2 preset aimed at by perforating gun 1, perforation plane 2 is perpendicular to the longitudinal center line of straight well pit shaft being arranged on interval of interest place, and perforation plane 2 is crisscross arranged in the barrel both sides of straight well pit shaft, each perforating gun 1 carries out perforation to described perforation plane 2 successively or simultaneously, and the perforation number in each perforation plane 2 is 3;
Step 3, after completing above-mentioned perforation work, with 0.8 ~ 1.4m
3pressure break discharge capacity in the perforation in perforation plane 2, inject sand-laden fluid, after the perforation in the perforation plane 2 preset described in entering when sand-laden fluid, by fracturing to perforation carry out control seam high pressure break.
It should be noted that, perforating bullet 3 loads perforating gun 1, and perforation adopts special cumulative equipment to enter
wellpredetermined level carry out blast perforate allows down-hole formation inner fluid enter the activity of eyelet, be widely used in oil gas field and
coalfieldsometimes the exploitation at water source is also applied to, most of oil field generally adopts jet perforating equipment, the history of perforation once used bullet formula perforator, what some integrated oil company adopted abroad also has current perforator, and wherein, namely predetermined level refers to the perforation plane 2 preset in step 2, the determination of this predetermined level is existing mature technology, does not explain at this.
Fracturing utilizes ground high-pressure pump, has viscosity higher by pit shaft to oil reservoir squeezing
fracturing fluid.When injecting of the fracturing fluid speed and exceeding the absorptive capacity of oil reservoir, then on the oil reservoir of shaft bottom, form very high pressure, when this pressure exceedes the fracture pressure of reservoir rock near shaft bottom, oil reservoir will be pressed off and be produced crack.At this moment, on and on to oil reservoir squeezing fracturing fluid, crack will be continued to oil reservoir interior expansion.In order to keep the crack pressed off to be in open configuration, then to oil reservoir clamp-on with
proppant(usually
quartz sand) load fluid, after load fluid enters crack, crack can be made on the one hand to continue to extend forward, the crack pressed off can be supported on the other hand, make it be unlikely closed.Then inject displacement fluid again, the load fluid of pit shaft is all replaced and enters crack, with quartz sand, fracture support is got up.Finally, the high viscosity fracturing fluid of injection can be discharged outside pit shaft automatically in degraded, leaves the crack that one or more length does not wait in oil reservoir, makes to set up between oil reservoir and pit shaft a new fluid passage.After pressure break, oil gas well yield generally can increase substantially.
The high pressure break prior art of control seam, comprise human-cutting high slope control seam high-tech, become discharge capacity fracturing technique, inject non-supported agent slug and control seam high-tech, adjust of the fracturing fluid density domination seam high-tech, cooling stratigraphic controls seam high-tech, sour and low discharge capacity technology brings out formation fracture technology and by low viscosity, low discharge capacity, 70/140 order sand carrys out the height technology of control critical eigenvalue, the shale interlayer control critical eigenvalue height technology utilizing geostatic stress high, operational discharge capacity is utilized to control seam height technology, concrete, the general principle of human-cutting high slope control seam high-tech is by float or sunk type interleaving agent forms manual shielding layer at the top in crack or bottom, increase the impedance of crack tip, the fluid fracturing in crack is stoped to be propagated up or down, then control critical eigenvalue further extension in height, adopt and become discharge capacity fracturing technique, at control critical eigenvalue to while downward-extension, can increase and support seam length, increase the laid concentration of crack inner support agent, thus effectively improving effect of increasing production, low discharge capacity infusion prepad fluid and the low sticky mulling liquid of a part, then improve infusion discharge capacity instantaneously, under the prerequisite of sand plug does not occur in guarantee, as much as possible successively carry high sand ratio, until construction terminates simultaneously, injecting non-supported agent slug control seam high-tech is the liquid slug that injection non-supported rises in the middle of prepad fluid and load fluid, this liquid slug is made up of carrier fluid and shutoff particle, bulky grain forms bridge blinding, granule fills the gap between bulky grain, form impermeable section, control the high object of seam to reach, adjusting of the fracturing fluid density domination seam high-tech is calculate of the fracturing fluid density according to fracture gradient, if want control critical eigenvalue upwards to extend, adopt the fracturing fluid that density is larger, it is made to press off crack as far as possible downwards under gravity, otherwise, if want control critical eigenvalue to downward-extension, use the fracturing fluid that density is less, cooling stratigraphic controls seam high-tech is by injecting cold water to the higher stratum of temperature, makes stratum produce thermoelastic stress, significantly reduces reservoir stress, and makes that seam is high and seam is long controls within the scope of payzone, it is rely on to pump into when can not make formation fracture that sour and low discharge capacity technology brings out formation fracture technology, the remedial measure of standard is injection 1 ~ 2m3, concentration is the hydrochloric acid of 15% ~ 28%, help to reduce fracture pressure, fracture pressure is lower, initial rupture height reduction, in fracture extension and proppant filling process, small displacement is tending towards the growth reducing fracture height.
Step one, by the mode of cable or tubing transmission, perforating gun 1 is transferred to interval of interest to refer to, when adopt determine face perforation control to stitch high fracturing process Engineering operation is carried out to oil field time, first by the mode of cable or tubing transmission, perforating gun 1 is transmitted to interval of interest, when perforating gun 1 is delivered near interval of interest, measured the degree of depth of perforating gun 1 by cable or oil pipe, make it accurately to aim at interval of interest.The mode of preferred cable transmission perforation rifle 1 in the present embodiment.
By the method described in step one, perforating gun 1 can be made to be sent to interval of interest accurately, for follow-up perforation work is given security, step 2, the perforation plane 2 preset aimed at by perforating gun 1, and perforation is carried out to perforation plane 2, perforation plane 2 is perpendicular to the y direction at straight well pit shaft place being arranged on interval of interest place, perforation number in each perforation plane 2 is 3 and refers to, the perforation plane 2 of described perforating gun 1 on described interval of interest carries out perforation, wherein, the position of each perforation plane 2 is what preset, each perforation plane 2 is vertical with the y direction of the straight well pit shaft being arranged on described interval of interest place, perforation number in each perforation plane 2 is three.Concrete, after the perforation plane 2 preset aimed at by perforating gun 1, perforating gun 1 carries out perforation to described perforation plane 2 successively or simultaneously, and the perforation formed all is positioned in described perforation plane 2.The wherein said perforation plane 2 preset is vertical with the y direction of the straight well pit shaft being arranged on described interval of interest place, and the perforation number in each perforation plane 2 is three, in the present embodiment, preferably, the each perforation plane 2 preset is crisscross arranged in the both sides of straight well pit shaft, perforating gun 1 in each perforation plane 2 carries out perforation to the perforation plane 2 preset simultaneously, and perforating gun 1 is 12 holes/m along the shot density in straight well pit shaft direction on interval of interest.
Step 3, in the perforation in perforation plane 2, inject sand-laden fluid carry out fracturing, specifically refer to, adopt the fracturing process of lower scale, fracturing is carried out by the perforation in perforation plane 2 each on described interval of interest, in the present embodiment, after carrying out oriented perforating according to above-mentioned steps, preferably with 0.8 ~ 1.4m
3the pressure break discharge capacity of/min, in described perforation, injection is used for the sand-laden fluid of fracturing, when in the perforation plane 2 preset described in liquid enters, pressure due to liquid causes each perforation to produce one or more of crack along perforation plane 2 bearing of trend, when the crack on described perforation plane 2 bearing of trend is spread to straight well pit shaft near wellbore zone, the crack perpendicular to perforation plane 2 direction is produced along its main stress bar focussing direction, shearing slip is produced with brittle rock along with crack is constantly expanded, realize fracture, the communication of rock bedding, and force to form secondary fracture in the side direction of major fracture, crack extension in the vertical receives fabulous control.Preferably, in the present embodiment, the ground liquid measure that enters for pressure break is approximately 50 ~ 150m
3, for the sand of supporting crack and the ratio of sand-laden fluid, namely sand is 10 ~ 15% than parameter.
What the present embodiment provided determines the high fracturing process of face perforation control seam, determine face perforation in employing controls to stitch after high fracturing process obtains described perforation, by carrying out the high pressure break of control seam to lower scale fracturing process such as fluid injections in perforation crack, thus make that seam is high obtains good control, oil reservoir and the high oil reservoir easily out of control of obstruction conditions difference seam are grown for end water, ensure that man-made fracture extends in Effective Reservoirs inside, avoid linking up end water or invalid stratum, reach the object of volume increase.
Embodiment 2:
Distance between described adjacent two perforation planes 2 is 0.3m, described perforating gun 1 the body of a gun between perforation phase angle be 60 °, the hole segment length that described perforating gun 1 carries out perforation on described interval of interest is 0.5m, and described perforating gun 1 is 12 holes/m along the shot density in straight well pit shaft direction on interval of interest.The consumption of the sand-laden fluid for fracturing described in step 3 is 50 ~ 150m
3.
In order to make the present invention program clearly, below in conjunction with concrete example, technical solution of the present invention is described:
Adopt and determine the bottom water reservoir of method to Changqing oilfields that face perforation control stitches high pressure break and develop, first by the mode of cable transmission, the perforating gun 1 being positioned at two groups of Different Plane can be transferred to interval of interest, wherein, described two groups of Different Plane respectively perpendicular to cable axis direction, and are arranged in the both sides of described cable with the interleaved of 0.3m between each plane.As shown in Figure 1, each plane comprises three perforating guns 1, and arranges with the phase angle of 60 degree between each perforating gun 1 body of a gun.When perforating gun 1 is delivered near interval of interest, first by the degree of depth that cable measurement perforating gun 1 arrives in oil field, make it accurately to aim at interval of interest.
The perforation plane 2 preset in interval of interest for perpendicular to straight well pit shaft, and is crisscross arranged in the perforation plane 2 of straight well pit shaft thing both sides, is spaced apart 0.3m between each perforation plane 2.After each perforating gun 1 is sent to interval of interest, perforating gun 1 carries out concentrated perforation at interval of interest, penetrate out thickness 0.5m, form two perforation faces, at a distance of 0.3m between two faces, perforation number in each perforation plane 2 is three, and perforating gun 1 carries out perforation to the perforation plane 2 being positioned at straight well pit shaft thing both sides, finally to complete the perforation on interval of interest along the shot density of straight well pit shaft direction 12 holes/m simultaneously.Wherein each perforation plane 2 forms three perforations, and the hole segment length of perforation is 0.5m.
After completing above-mentioned perforation work, with 0.8 ~ 1.4m
3the pressure break discharge capacity of/min, in described perforation, injection is used for the sand-laden fluid of pressure break, after perforation in the perforation plane 2 preset described in entering when liquid, the high pressure break of control seam is carried out by lower scale fracturing process, thus make that seam is high obtains good control, avoid linking up end water or invalid stratum, reach the object of volume increase.
Above-mentioned application example, by the perforation plane 2 of two on interval of interest carries out perforation, makes that each perforation plane 2 all has three perforations at least, and the stress formed in each perforation plane 2 is concentrated.When controlling the high fracturing reform of seam, fracturing artificial slit is preferentially from crack initiation two perforation planes 2, and to perforation plane 2 bearing of trend to external expansion, after straight well pit shaft near wellbore zone turns to, final formation is perpendicular to the vertical fracture in perforation plane 2 direction, ensure that man-made fracture extends in Effective Reservoirs inside, avoid linking up end water or invalid stratum, reach the object of volume increase.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (5)
1. determine face perforation and control the high fracturing process of seam, it is characterized in that, comprise the steps:
Step one, transfers to interval of interest by cable or oil pipe by perforating gun (1);
Step 2, the perforation plane (2) preset aimed at by perforating gun (1), perforation plane (2) is perpendicular to the longitudinal center line of straight well pit shaft being arranged on interval of interest place, and perforation plane (2) is crisscross arranged in the barrel both sides of straight well pit shaft, each perforating gun (1) carries out perforation to described perforation plane (2) successively or simultaneously, and the perforation number on each perforation plane (2) is 3;
Step 3, after completing above-mentioned perforation work, with 0.8 ~ 1.4m
3pressure break discharge capacity in the perforation in perforation plane (2), inject sand-laden fluid, after the perforation in the perforation plane (2) preset described in entering when sand-laden fluid, by fracturing to perforation carry out control seam high pressure break.
2. a kind ofly determine face perforation and control the high fracturing process of seam as claimed in claim 1, it is characterized in that, the distance between described adjacent two perforation planes (2) is 0.3m.
3. a kind ofly determine face perforation and control the high fracturing process of seam as claimed in claim 1, it is characterized in that, described perforating gun (1) the body of a gun between perforation phase angle be 60 °.
4. a kind ofly determine face perforation and control the high fracturing process of seam as claimed in claim 1, it is characterized in that, the hole segment length that described perforating gun (1) carries out perforation on described interval of interest is 0.5m.
5. a kind ofly determine face perforation and control the high fracturing process of seam as claimed in claim 1, it is characterized in that, described perforating gun (1) is 12 holes/m along the shot density in straight well pit shaft direction on interval of interest.
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| CN201510959487.0A CN105443100A (en) | 2015-12-21 | 2015-12-21 | Fracturing method for controlling seam height by fixed-face perforation |
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| CN201510959487.0A CN105443100A (en) | 2015-12-21 | 2015-12-21 | Fracturing method for controlling seam height by fixed-face perforation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756652A (en) * | 2016-04-28 | 2016-07-13 | 中国石油天然气股份有限公司 | Method for modifying bottom water reservoir by matching quasi-horizontal plane perforation with acidification |
| CN106593389A (en) * | 2016-12-22 | 2017-04-26 | 中国石油天然气股份有限公司 | Fracturing method for realizing high-angle natural fracture oil reservoir by adopting permanent plugging agent |
| CN109779592A (en) * | 2018-12-28 | 2019-05-21 | 中国石油天然气股份有限公司 | Perforation fracturing method for longitudinal residual oil submergence of old well of single sand body oil reservoir |
| CN110130864A (en) * | 2019-05-09 | 2019-08-16 | 中国石油大学(北京) | Based on the nearly pit shaft method for controlling crack for staggeredly determining face perforation |
| CN110359887A (en) * | 2018-04-11 | 2019-10-22 | 中国石油天然气股份有限公司 | Oil reservoir perforation method and device |
| CN112228031A (en) * | 2020-10-14 | 2021-01-15 | 中国石油天然气股份有限公司 | Fracturing method for controlling extending direction of crack |
| CN112392452A (en) * | 2019-08-15 | 2021-02-23 | 中国石油化工股份有限公司 | Method for inducing fracturing by fixed-face perforation of horizontal well of thin interbed reservoir |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100269676A1 (en) * | 2009-04-22 | 2010-10-28 | Schlumberger Technology Corporation | Wellbore perforating devices |
| CN102996104A (en) * | 2012-11-30 | 2013-03-27 | 中国石油天然气股份有限公司 | Horizontal well fixed face perforating method and device |
| CN204267003U (en) * | 2014-11-14 | 2015-04-15 | 山东北方民爆器材有限公司 | Oil/gas Well is with penetrating face oriented perforating device |
| CN105064968A (en) * | 2015-08-14 | 2015-11-18 | 西安通源石油科技股份有限公司 | Oil and gas well fixed-face perforation fracturing device for hydrofracture |
| CN204804791U (en) * | 2015-06-23 | 2015-11-25 | 西安方元能源工程有限责任公司 | Decide face perforation rifle |
-
2015
- 2015-12-21 CN CN201510959487.0A patent/CN105443100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100269676A1 (en) * | 2009-04-22 | 2010-10-28 | Schlumberger Technology Corporation | Wellbore perforating devices |
| CN102996104A (en) * | 2012-11-30 | 2013-03-27 | 中国石油天然气股份有限公司 | Horizontal well fixed face perforating method and device |
| CN204267003U (en) * | 2014-11-14 | 2015-04-15 | 山东北方民爆器材有限公司 | Oil/gas Well is with penetrating face oriented perforating device |
| CN204804791U (en) * | 2015-06-23 | 2015-11-25 | 西安方元能源工程有限责任公司 | Decide face perforation rifle |
| CN105064968A (en) * | 2015-08-14 | 2015-11-18 | 西安通源石油科技股份有限公司 | Oil and gas well fixed-face perforation fracturing device for hydrofracture |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756652A (en) * | 2016-04-28 | 2016-07-13 | 中国石油天然气股份有限公司 | Method for modifying bottom water reservoir by matching quasi-horizontal plane perforation with acidification |
| CN106593389A (en) * | 2016-12-22 | 2017-04-26 | 中国石油天然气股份有限公司 | Fracturing method for realizing high-angle natural fracture oil reservoir by adopting permanent plugging agent |
| CN106593389B (en) * | 2016-12-22 | 2019-05-03 | 中国石油天然气股份有限公司 | Fracturing method for realizing high-angle natural fracture oil reservoir by adopting permanent plugging agent |
| CN110359887A (en) * | 2018-04-11 | 2019-10-22 | 中国石油天然气股份有限公司 | Oil reservoir perforation method and device |
| CN110359887B (en) * | 2018-04-11 | 2021-11-30 | 中国石油天然气股份有限公司 | Oil reservoir perforation method and device |
| CN109779592A (en) * | 2018-12-28 | 2019-05-21 | 中国石油天然气股份有限公司 | Perforation fracturing method for longitudinal residual oil submergence of old well of single sand body oil reservoir |
| CN110130864A (en) * | 2019-05-09 | 2019-08-16 | 中国石油大学(北京) | Based on the nearly pit shaft method for controlling crack for staggeredly determining face perforation |
| CN112392452A (en) * | 2019-08-15 | 2021-02-23 | 中国石油化工股份有限公司 | Method for inducing fracturing by fixed-face perforation of horizontal well of thin interbed reservoir |
| CN112228031A (en) * | 2020-10-14 | 2021-01-15 | 中国石油天然气股份有限公司 | Fracturing method for controlling extending direction of crack |
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Application publication date: 20160330 |