CN106187647B - Aftereffect body granular preparation for oil and gas well perforation - Google Patents
Aftereffect body granular preparation for oil and gas well perforation Download PDFInfo
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- CN106187647B CN106187647B CN201610437663.9A CN201610437663A CN106187647B CN 106187647 B CN106187647 B CN 106187647B CN 201610437663 A CN201610437663 A CN 201610437663A CN 106187647 B CN106187647 B CN 106187647B
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
- C06B33/14—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds at least one being an inorganic nitrogen-oxygen salt
Abstract
The invention discloses a granular preparation for oil and gas well perforation, which comprises the following components: one or more of a mixture of barium phosphate and copper oxide, a mixture of barium nitrate and chromium oxide, or a mixture of potassium nitrate and iron oxide; and one or more of a mixture of aluminum powder and carbon powder, a mixture of carbon powder and boron powder, or carbon powder; and one or more of a mixture of titanium powder and molybdenum powder, a mixture of tungsten powder and bismuth powder, or a mixture of bismuth powder and tantalum powder; and, one or more of colloidal graphite, antimony trioxide, or magnesium silicate; and, one or more of hydroxypropyl cellulose, acetate, or fluororubber; and one or more of ethyl formate, ethyl acetate, or amyl acetate.
Description
Technical Field
The invention belongs to the technical field of perforation for oil and gas wells, and relates to a powder particle medicament for after-effect perforation.
Background
As early as the forty years of the nineteenth century, the propellant technology is being researched as a main means of increasing the production of various oil and gas fields, and as of the seventies of the last century, on the basis of a large number of tests and theoretical researches, the composite perforation and high-energy gas fracturing technology is mature day by day and is widely applied in the former Soviet Union and the United states. The composite perforating and fracturing technology is that after the perforating bullet is detonated, the gunpowder or rocket propellant inside the perforating gun is ignited to burn and produce great amount of high temperature and high pressure gas, and the gun barrel and the ring sleeve impact and fracture rock stratum in high pressure pulse wave form to produce radial vertical cracks in the stratum to raise stratum permeability and raise oil well yield.
However, high-temperature and high-pressure gas and large-dose charge generated by quick combustion of gunpowder or propellant can seriously damage an oil well casing and a perforating gun barrel, so that the construction cost and difficulty are increased, the risk of construction operation is greatly improved, and accidents such as gun expansion, gun explosion, well blockage and the like are frequently caused. According to unofficial statistics, a great number of measures are taken to transform the well all over the world every year, and the composite charges are used, so that underground accidents occur. Therefore, users often reduce technical risks by reducing the loading amount, increasing the compressive strength of equipment and the like, but the action effect is greatly reduced. These problems are all technical unsafe factors that cannot be avoided and are difficult to solve by the composite perforation and high-energy gas fracturing technology.
Throughout the country and abroad, the composite gunpowder/propellant is also the only initiating explosive for carrying out composite synergistic fracturing perforation in oil and gas downhole operation at home and abroad. The drug is a high-gas-generating drug which takes ammonium perchlorate, potassium perchlorate, hexogen or octogen and the like as main raw materials, and the drug sensitivity is reduced and the temperature resistance is enhanced by process modification, thereby meeting the industrial use requirements under certain conditions.
However, with the increasing development of unconventional oil reservoirs, the underground construction environment is more complex, the construction time is longer, and the requirements of equipment technical indexes are more strict. Therefore, the conventional initiating explosive is increasingly unable to be qualified for perforation synergy operation under the environments of high temperature, high pressure and complex pipe string structure, and the defects of weak adaptability and unstable performance of the explosive under the complex environment are exposed, such as early detonation, easy sympathetic detonation, unsatisfactory energy release, influence on a series of potential safety hazards and working effect problems of perforation penetration performance and the like.
After the perforation is initiated, the rocket propellant is ignited at high temperature, the generated high-temperature and high-pressure gas flow is expected to enter a perforation channel along with the metal jet flow, and the aim of removing a perforation compaction belt is achieved through the action of scouring the inner wall of the perforation channel by the high-temperature and high-pressure gas. However, the excessively fast burning rate performance and the excessively high energy release violence do not achieve the above functional purposes, but the metal jet flow of the perforating bullet is blocked due to the accumulation of deflagration airflow formed at the mouth part, and as a result, the perforating performance of the perforating bullet and the action effect of the gas flow are seriously affected.
In recent years, a GOODHOLE perforation technology, also called active perforation or self-cleaning perforation, is proposed abroad, and secondary energy release can be realized in the process of forming perforation jet flow by adopting an active explosive-shaped cover, so that the aims of cleaning a pore passage and expanding pore volume are hopefully fulfilled. However, this method can only balance some advantages and disadvantages of deep penetration and large-aperture perforation technology to a certain extent, and has not yet comprehensively achieved the ideal requirements of long penetration depth, large aperture and small compaction pollution, and its use effect is still widely controversial in the industry.
The post-effect perforation technology is a brand-new green perforation technology which is developed for solving the existing various technical defects by analyzing and summarizing various problems existing in the prior art of a plurality of composite fracturing perforation technologies at home and abroad. The dynamic response type perforation technology is a dynamic response type perforation technology which has milestone significance and can really realize work doing in a perforation duct by stable cloud and mist diffusion and cloud and mist detonation of an energy material. The core design of the technology is that an energy-gathering perforating after-effect body is additionally arranged at the front end of a perforating bullet, energetic group particles with different granularities are dragged into a perforating pore passage by virtue of the eddy current field gravitation generated after the perforating bullet explodes, then, in the perforating pore passage, the energetic group particles with different granularities generate stable cloud-mist diffusion and cloud-mist detonation effects to realize work doing in the perforating pore passage, the energy-gathering after-effect body can effectively increase effective penetration depth of the perforating bullet, enlarge perforation aperture, remove a compacted zone at the periphery of the pore passage, recover natural permeability at the periphery of the perforation, achieve the purpose of improving perforation efficiency, and realize the yield improvement of an oil-gas well. The biggest innovation point of the technology is that traditional gunpowder or rocket propellant materials are abandoned, and a particle preparation which is designed by a novel formula and is not based on a gunpowder and a rocket propellant is adopted, so that detonation work of energetic materials in a perforation duct is effectively realized, and the innovation point and the key point of a controllable work mode for realizing after-effect perforation are achieved.
Disclosure of Invention
The invention aims at the technical requirements of the particle preparation for the after-effect perforation, and aims to provide the after-effect particle preparation for the perforation of the oil and gas well and the preparation method thereof, wherein the preparation process is easy to realize, the manufacturing technology and the quality level are easy to control, the production and manufacturing process is safe, no pollution is caused to the environment, and the performance is excellent.
The invention is realized by the following steps:
a preparation of after-effect body particles for perforating oil and gas wells comprises: 49 parts of a mixture of barium phosphate and copper oxide, 38 parts of a mixture of aluminum powder and carbon powder, 5 parts of a mixture of titanium powder and molybdenum powder, 6 parts of colloidal graphite, 2 parts of hydroxypropyl cellulose and 25 parts of ethyl formate. The mixing ratio of the mixture of the barium phosphate and the copper oxide is 5: 6, the mixing ratio of the mixture of the aluminum powder and the carbon powder is 2: 1, and the mixing ratio of the mixture of the titanium powder and the molybdenum powder is 1: 1.
A preparation of after-effect body particles for perforating oil and gas wells comprises: 60 parts of a mixture of potassium nitrate and iron oxide, 25 parts of carbon powder, 7 parts of a mixture of bismuth powder and tantalum powder, 3 parts of magnesium silicate, 5 parts of fluororubber and 47 parts of amyl acetate. The mixing ratio of the mixture of the potassium nitrate and the iron oxide is 1: 3, and the mixing ratio of the mixture of the bismuth powder and the tantalum powder is 1: 1.
A preparation of after-effect body particles for perforating oil and gas wells comprises: the above granular preparation comprises: 65 parts of a mixture of barium nitrate and chromium oxide, 13 parts of a mixture of carbon powder and boron powder, 7 parts of a mixture of tungsten powder and bismuth powder, 7 parts of antimony trioxide, 8 parts of cellulose acetate and 50 parts of ethyl acetate. The mixing ratio of the mixture of the barium nitrate and the chromium oxide is 1: 2, the mixing ratio of the mixture of the carbon powder and the boron powder is 10: 1, and the mixing ratio of the mixture of the tungsten powder and the bismuth powder is 1: 2.
The aftereffect body granular preparation for perforation of the oil and gas well is prepared from the following raw materials in parts by weight: 25-75 parts of an oxidant, 8-48 parts of a combustion agent, 2-7 parts of a combustion regulator, 1-12 parts of a binder, 2-7 parts of a functional additive and 10-50 parts of a solvent; the oxidizing agent comprises: chromium oxide, potassium nitrate, barium nitrate, ferric oxide, barium phosphate, and cupric oxide, or a mixture thereof; the combustion agent comprises: one or more of carbon powder, aluminum powder, boron powder and silver powder; the combustion regulator comprises: one or more of silicon dioxide, antimony trioxide, colloidal graphite and magnesium silicate; the adhesive comprises: one or more of hydroxypropyl cellulose, fluororubber, polyisobutylene and cellulose acetate; the functional additive comprises: titanium dioxide, bismuth powder, tantalum powder, tungsten powder, molybdenum powder and titanium powder, wherein the titanium dioxide is one or a mixture of more than one of the titanium dioxide, the bismuth powder, the tantalum powder, the tungsten powder, the molybdenum powder and the titanium powder; the solvent comprises: ethyl formate, ethyl acetate, amyl acetate, one or more of the mixture.
A preparation method of a post-effect body granular preparation for oil and gas well perforation adopts a direct material mixing and indirect material coating mixing method, namely, an oxidant, a combustion agent, a functional additive and a combustion regulator are fully mixed by the direct mixing method to obtain a mixed material, a solvent and an adhesive are heated and dissolved, an indirect material coating method is adopted, the solvent and the adhesive which are heated and dissolved are used as a dissolving solution, the mixed material is added into the dissolving solution, the heating and stirring are carried out, the material and the dissolving solution are fully mixed to reach a micron-sized mixture coating solution, then, the solvent is removed by vacuumizing, sieving and granulating are carried out by an extruder to form a granular preparation with uniform size, and a product is obtained after drying.
The direct material mixing comprises the following steps: adding 25-75 parts of oxidant, 8-48 parts of combustion agent, 2-7 parts of functional additive and 3-6 parts of combustion regulator into a cyclone material mixer, and fully mixing for 30-60 minutes to obtain a mixed material; the heating dissolution is as follows: adding 12-50 parts of solvent into a reaction kettle, adding 1-12 parts of adhesive, and controlling the temperature to be 50-60 ℃ to fully stir and dissolve the mixture to form a composite dissolved solution; the indirect material coating comprises the following steps: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be 40-50 ℃, and uniformly stirring for 60-120 minutes; the vacuumizing is as follows: when the indirect material is coated, 90% of solvent is removed under the environment with the vacuum degree of 0.08-0.09 MPa; the extrusion screening comprises the following steps: removing part of the coating material of the solvent, vibrating the coating material through an extruder, sieving the coating material through a 20-40-mesh sieve, and extruding the coating material to form a granular preparation with uniform granules; the drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining the final product.
The invention selects the oxides of sylvite and barium salt as oxidant, adhesive and combustion regulator as energy density regulator, functional additive as modifier, and selects metal and non-metal powder with stronger activity as combustion agent to raise reaction effect of preparation. The coating is prepared by adopting a direct and indirect material mixing and coating method, namely, the materials are fully mixed by adopting a direct mixing method, the indirect material coating method is adopted, a solvent is used as a dissolving solution, the heating and stirring are carried out, so that the materials and the dissolving solution are fully mixed to reach a micron-sized mixture coating solution, meanwhile, the vacuum pumping is carried out to remove the solvent, and then the materials are sieved, granulated, dried and molded by an extruder. The process has the advantages of reduced energy consumption and production cost, safe and reliable process, no pollution to operating environment, shortened processing period, and improved yield.
The invention has the advantages and positive effects that:
1. the granular preparation has novel design and architecture, is insensitive to the detonation response of the perforating bullet, and has obvious difference from composite gunpowder and rocket propellant charging in the aspect of sensitivity. The agent is subjected to performance test through GJB772A-97 method 601.1 (impact sensitivity test standard) and GJB772A-97 method 602.1 (friction sensitivity test standard). The evaluation results showed that the impact sensitivity was 0% and the friction sensitivity was 0%.
2. The heat resistance is excellent. As the gunpowder or rocket propellant is greatly influenced by temperature change and has poor heat resistance, the performance is obviously reduced under the condition of underground high-temperature environment, and even an early detonation accident can occur. The product of the invention has excellent heat resistance, and can not cause the problem of performance reduction under the condition of rapid change of underground environment temperature, and has no worry of leading detonation accidents. The agent has no abnormality in the test state of 200 ℃/200h (applicable to most underground temperatures and time), and the perforation performance after the agent is quickly taken out to be matched with a normal-temperature perforating bullet for a target practice is kept consistent with that before the temperature is tested.
3. The product has good free-running property and process forming property, good use safety, wide application range and good economic benefit.
4. The aftereffect body granular preparation manufactured by the method can form atomized particle cloud in the perforation duct, the atomized particle cloud is subjected to high temperature and high pressure to generate cloud detonation effect to do work, the rock stratum around the duct is directly blasted, the penetration depth of the perforation duct is improved, the aperture of the perforation duct is increased, and the perforation compaction belt is broken.
5. The high safety performance-the after-effect body charge in the same filling system does not act synchronously with the perforating bullet in the perforating gun, but is delayed for hundreds of microseconds and the particles to be charged are dragged into the pore passage to do explosive work, obviously, the after-effect charge can not form potential threat to the perforating gun body and the oil-gas well casing, therefore, the charge can be called as the safest medicament.
6. The test effect is good-the ground steel target and cement target test effect shows that the perforation penetration depth can be increased by 5-19% by filling the agent into the aftereffect body, the perforation aperture is increased by 8-15%, the expansion amount of the perforation of the gun body of the perforating gun is not more than 5mm, and the specified range of the qualified value of the testing gun is met. Hundreds of wells are applied on site, and the test results prove that: the after-effect body is filled with the medicament, and compared with the conventional perforation without the after-effect body. The effective rate of the general yield increase reaches more than 70 percent, and the yield increase amplitude reaches 30 to 300 percent.
7. Is convenient for users to select and use. The prior double-compound perforation is provided with an energy medicine box which is cast and formed at the opening part of the perforating bullet and mainly comprises explosive and powder components. The invention has the advantages of poor stability, high sensitivity, easy occurrence of underground operation accidents, and more important defect of the invention is that the perforation penetration performance is seriously influenced, which is also the main reason that the invention can not be popularized and applied in large area. The invention has different aftereffect body charging, and firstly, the charging which does not belong to the explosive dangerous goods grade can be carried out by people, thereby improving the transportation efficiency, greatly shortening the transportation period and being beneficial to the matching use and large-scale popularization of oil fields.
Detailed Description
The following examples are only illustrative of the basic idea of the present invention, and all equivalent changes made according to the technical solutions of the present invention are within the protection scope of the present invention.
Example 1:
1. the formula (parts by weight) is as follows:
43 parts of an oxidizing agent (chromium oxide); 45 parts of a combustion agent (silver powder); 5 parts of functional additive (a mixture of titanium dioxide and tungsten powder in a ratio of 2: 1); 2 parts of a combustion regulator (antimony trioxide); 5 parts of adhesive (polyisobutylene); 30 parts of a solvent (ethyl formate);
2. the process comprises the following steps:
2.1 direct material mixing: adding 43 parts of oxidant, 45 parts of combustion agent, 5 parts of functional additive, 2 parts of combustion regulator and mixed materials for 30 minutes by using a cyclone type material mixer;
2.2 dissolution: adding 30 parts of solvent into a reaction kettle, adding 5 parts of binder, controlling the temperature at 60 ℃, fully stirring and dissolving to obtain a composite dissolved solution;
2.3 indirect material coating: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be below 40 ℃, and uniformly stirring for 60-120 minutes;
2.4, vacuumizing: vacuumizing to drive out 90% of solvent while coating the indirect material;
2.5 extrusion and sieving: part of the coating material with the solvent removed is vibrated, sieved and extruded by an extruder to form a granular preparation with uniform granules;
2.6, drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining a qualified product.
Example 2:
1. the formula (parts by weight) is as follows:
60 parts of an oxidant (a mixture of potassium nitrate and ferric oxide in a ratio of 1: 3); 25 parts of a combustion agent (carbon powder); 7 parts of functional additive (a mixture of bismuth powder and tantalum powder in a ratio of 1: 1); 3 parts of a combustion regulator (magnesium silicate); 5 parts of adhesive (fluororubber); 47 parts of a solvent (amyl acetate);
2. the process comprises the following steps:
2.1 direct material mixing: adding 60 parts of oxidant, 25 parts of combustion agent, 7 parts of functional additive and 3 parts of combustion regulator into a cyclone material mixer, and mixing the materials for 30 minutes;
2.2 dissolution: adding 47 parts of solvent into a reaction kettle, adding 5 parts of binder, controlling the temperature at 60 ℃, fully stirring and dissolving to obtain a composite dissolved solution;
2.3 indirect material coating: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be below 40 ℃, and uniformly stirring for 60-120 minutes;
2.4, vacuumizing: vacuumizing to drive out 90% of solvent while coating the indirect material;
2.5 extrusion and sieving: part of the coating material with the solvent removed is vibrated, sieved and extruded by an extruder to form a granular preparation with uniform granules;
2.6, drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining a qualified product.
Example 3:
1. the formula (parts by weight) is as follows:
49 parts of an oxidant (a mixture of barium phosphate and copper oxide in a ratio of 5: 6); 38 portions of combustion agent (mixture of aluminum powder and carbon powder 2: 1); 5 parts of functional additive (a mixture of titanium powder and molybdenum powder in a ratio of 1: 1); 6 parts of a combustion regulator (colloidal graphite); 2 parts of a binder (hydroxypropyl cellulose); 25 parts of a solvent (ethyl formate);
2. the process comprises the following steps:
2.1 direct material mixing: adding 49 parts of oxidant, 38 parts of combustion agent, 5 parts of functional additive, 6 parts of combustion regulator and mixed materials for 30 minutes by using a cyclone type material mixer; 2.2 dissolution: adding 25 parts of solvent into a reaction kettle, adding 2 parts of binder, controlling the temperature at 60 ℃, fully stirring and dissolving to obtain a composite dissolved solution;
2.3 indirect material coating: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be below 40 ℃, and uniformly stirring for 60-120 minutes;
2.4, vacuumizing: vacuumizing to drive out 90% of solvent while coating the indirect material;
2.5 extrusion and sieving: part of the coating material with the solvent removed is vibrated, sieved and extruded by an extruder to form a granular preparation with uniform granules;
2.6, drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining a qualified product.
Example 4:
1. the formula (parts by weight) is as follows:
65 parts of an oxidant (a mixture of barium nitrate and chromium oxide in a ratio of 1: 2); 13 parts of a combustion agent (a mixture of carbon powder and boron powder in a ratio of 10: 1); 7 parts of functional additive (a mixture of tungsten powder and bismuth powder in a ratio of 1: 2); 7 parts of a combustion regulator (antimony trioxide); 8 parts of a binder (cellulose acetate); 50 parts of a solvent (ethyl acetate);
2. the process comprises the following steps:
2.1 direct material mixing: adding 65 parts of oxidant, 13 parts of combustion agent, 7 parts of functional additive, 7 parts of combustion regulator and mixed materials for 30 minutes by using a cyclone type material mixer;
2.2 dissolution: adding 50 parts of solvent into a reaction kettle, adding 8 parts of binder, controlling the temperature at 60 ℃, fully stirring and dissolving to obtain a composite dissolved solution;
2.3 indirect material coating: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be below 40 ℃, and uniformly stirring for 60-120 minutes;
2.4, vacuumizing: vacuumizing to drive out 90% of solvent while coating the indirect material;
2.5 extrusion and sieving: part of the coating material with the solvent removed is vibrated, sieved and extruded by an extruder to form a granular preparation with uniform granules;
2.6, drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining a qualified product.
Example 5:
1. the formula (parts by weight) is as follows:
60 parts of oxidant (a mixture of potassium nitrate, chromium oxide and ferric oxide in a ratio of 1: 2); 25 parts of a combustion agent (a mixture of carbon powder, aluminum powder and boron powder in a ratio of 1: 2: 1); 7 parts of functional additive (a mixture of titanium powder, tantalum powder and molybdenum powder in a ratio of 3: 2: 1); 3 parts of combustion regulator (a mixture of silicon dioxide and colloidal graphite in a ratio of 2: 1); 5 parts of adhesive (polyisobutylene); 47 parts of a solvent (ethyl formate);
2. the process comprises the following steps:
2.1 direct material mixing: adding 60 parts of oxidant, 25 parts of combustion agent, 7 parts of functional additive and 3 parts of combustion regulator into a cyclone material mixer, and mixing the materials for 30 minutes;
2.2 dissolution: adding 47 parts of solvent into a reaction kettle, adding 5 parts of binder, controlling the temperature at 60 ℃, fully stirring and dissolving to obtain a composite dissolved solution;
2.3 indirect material coating: adding the mixed material into the composite dissolving solution at a constant speed, controlling the temperature to be below 40 ℃, and uniformly stirring for 60-120 minutes;
2.4, vacuumizing: vacuumizing to drive out 90% of solvent while coating the indirect material;
2.5 extrusion and sieving: part of the coating material with the solvent removed is vibrated, sieved and extruded by an extruder to form a granular preparation with uniform granules;
2.6, drying: and (3) drying the granules at the temperature of 20-30 ℃ by using a vacuum dryer until the granular preparation is in a non-sticky state, thus obtaining a qualified product.
The well case effect is applied:
A. in order to further improve the productivity of a single well and improve the reserve utilization degree of blocks, a later effect perforation technology is specially introduced into a Xinjiang warm rice oil production area through investigation and research, and the later effect perforation technology is popularized and applied in related blocks, so that the aim of good perforation efficiency improvement is achieved; wherein the 2-well effect of the moustache is particularly obvious. The well is positioned in a red huhu area of a warm rice oil field, after the well is transformed by measures, the daily liquid yield is 6.5t, the water content is 1.6 percent, and the daily liquid yield is increased by nearly one time compared with the same layer of a shaft of an adjacent huhu 204.
B. A middle-sea oil field, namely an east-sea oil and gas field with 10 balanced wells in the east-sea direction of Shanghai and south, is mined for years, in order to excavate the potential of an oil and gas reservoir in the area, a post-effect perforation is adopted for technological measure transformation, the well is a low-hole low-permeability natural gas well, after operation is implemented, the low-permeability well in the area can obtain the oil and gas test yield for the first time under the condition that production increasing measures such as acidification, fracturing and the like are not adopted, and the daily gas production is 10 ten thousand meters3Greatly exceeding geological expectations.
C. The Tang-2C well of a Hongkong oilfield-four oil extraction factories is used as a difficult well to carry out two times of perforation operation, the well is still not produced, the water layer at the perforation position is only 1 meter, after the post-effect perforation operation is adopted, the well is opened finally, 10 oil is produced every day, the water content is lower, then more than ten times of test application are carried out, and the comprehensive oil testing effect is as follows: the same blocks, the same layer and the test perforation are compared, and the yield increasing effect is obvious.
D. The new UDP post-effect perforation technology of Tarim institute of technology successfully popularized and applied in Tarim oil fields, the perforated interval of the well is 5320-5333.5 m, which is divided into three layers of 11 m and 2.5 m interlayer. After perforation, along with the violent vibration of a wellhead Christmas tree, the pressure of oil and a sleeve rises quickly and is stabilized to be about 39MPa and not to drop, and after ignition blowout is carried out for 48 hours, well completion is carried out, the effect of the well completion method belongs to the first example of the area, and the method obtains the best evaluation of the first party.
Claims (6)
1. A granule formulation of an after-effect body for perforation of an oil and gas well, characterized in that the granule formulation comprises: 49 parts of a mixture of barium phosphate and copper oxide, 38 parts of a mixture of aluminum powder and carbon powder, 5 parts of a mixture of titanium powder and molybdenum powder, 6 parts of colloidal graphite, 2 parts of hydroxypropyl cellulose and 25 parts of ethyl formate.
2. The aftereffect particle preparation for oil and gas well perforation according to claim 1, wherein the mixing ratio of the mixture of barium phosphate and copper oxide is 5: 6, the mixing ratio of the mixture of aluminum powder and carbon powder is 2: 1, and the mixing ratio of the mixture of titanium powder and molybdenum powder is 1: 1.
3. A granule formulation of an after-effect body for perforation of an oil and gas well, characterized in that the granule formulation comprises: 60 parts of a mixture of potassium nitrate and iron oxide, 25 parts of carbon powder, 7 parts of a mixture of bismuth powder and tantalum powder, 3 parts of magnesium silicate, 5 parts of fluororubber and 47 parts of amyl acetate.
4. The aftereffect particle formulation for perforation in oil and gas wells as claimed in claim 3, wherein the mixing ratio of the mixture of potassium nitrate and iron oxide is 1: 3, and the mixing ratio of the mixture of bismuth powder and tantalum powder is 1: 1.
5. A granule formulation of an after-effect body for perforation of an oil and gas well, characterized in that the granule formulation comprises: 65 parts of a mixture of barium nitrate and chromium oxide, 13 parts of a mixture of carbon powder and boron powder, 7 parts of a mixture of tungsten powder and bismuth powder, 7 parts of antimony trioxide, 8 parts of cellulose acetate and 50 parts of ethyl acetate.
6. The aftereffect particle formulation for perforation in oil and gas wells as claimed in claim 5, wherein the mixing ratio of the mixture of barium nitrate and chromium oxide is 1: 2, the mixing ratio of the mixture of carbon powder and boron powder is 10: 1, and the mixing ratio of the mixture of tungsten powder and bismuth powder is 1: 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610437663.9A CN106187647B (en) | 2014-12-10 | 2014-12-10 | Aftereffect body granular preparation for oil and gas well perforation |
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| CN201610437663.9A CN106187647B (en) | 2014-12-10 | 2014-12-10 | Aftereffect body granular preparation for oil and gas well perforation |
| CN201410755772.6A CN104447147B (en) | 2014-12-10 | 2014-12-10 | Aftereffect body granular preparation for oil-gas well perforation and preparation method thereof |
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| CN106187647B true CN106187647B (en) | 2020-12-11 |
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| CN201610437663.9A Expired - Fee Related CN106187647B (en) | 2014-12-10 | 2014-12-10 | Aftereffect body granular preparation for oil and gas well perforation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2773770C1 (en) * | 2021-05-21 | 2022-06-09 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Method for manufacturing a composite boron-containing filler powder for energetic materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130946A (en) * | 2017-06-02 | 2017-09-05 | 北方斯伦贝谢油田技术（西安）有限公司 | A kind of economic benefits and social benefits perforating bullet and active material containing active material layer |
| CN108955404B (en) * | 2018-07-12 | 2020-06-02 | 北方斯伦贝谢油田技术（西安）有限公司 | Super-energy charge for perforation and fracturing of oil and gas well and preparation method |
| CN110698312A (en) * | 2019-10-28 | 2020-01-17 | 大庆金祥寓科技有限公司 | Energy-releasing compound preparation and preparation method thereof |
| CN113402347B (en) * | 2021-06-09 | 2022-09-09 | 西安物华巨能爆破器材有限责任公司 | Combustion agent, ultrahigh-temperature jet flow synergist for increasing petroleum yield by adopting combustion agent and preparation method of ultrahigh-temperature jet flow synergist |
| CN114736084A (en) * | 2022-03-09 | 2022-07-12 | 江西星火军工工业有限公司 | Stable and efficient novel combustion agent and preparation method thereof |
| CN114890854A (en) * | 2022-05-11 | 2022-08-12 | 北京宇箭动力科技有限公司 | Composite high-energy material with built-in full-charge fracturing bomb and preparation method thereof |
| CN116425602A (en) * | 2023-04-03 | 2023-07-14 | 西安卡亚石油能源有限公司 | High-energy combustion agent and preparation method thereof |
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| Publication number | Publication date |
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| CN104447147B (en) | 2017-01-18 |
| CN104447147A (en) | 2015-03-25 |
| CN106187647A (en) | 2016-12-07 |
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