CN101914733A - Manufacturing method of low-chip perforating bullet case - Google Patents
Manufacturing method of low-chip perforating bullet case Download PDFInfo
- Publication number
- CN101914733A CN101914733A CN 201010264539 CN201010264539A CN101914733A CN 101914733 A CN101914733 A CN 101914733A CN 201010264539 CN201010264539 CN 201010264539 CN 201010264539 A CN201010264539 A CN 201010264539A CN 101914733 A CN101914733 A CN 101914733A
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- powder
- oil
- perforating bullet
- chip
- low
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 210000000664 rectum Anatomy 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
The invention relates to a manufacturing method of a low-chip perforating bullet case, belonging to the technical field of the design and the manufacturing of a perforating bullet for oil and gas wells. The novel low-chip perforating bullet case adopts ferrum-based alloy materials comprising Fe, Cu and C. The novel low-chip perforating bullet case is manufactured by adding 0.5%-2.5% of Cu powder and 0.2%-0.5% of C powder by taking the 100% Fe powder as the reference, and then carrying out six procedures. The manufacturing method solves the problems of unstable chip after explosion and difficult processing of the bullet cast in the prior art and has the characteristics of low cost, continuous pressing during manufacturing, high product precision and high size consistency.
Description
Technical field: a kind of manufacture method of low-chip perforating bullet case, be used for the construction of oil gas well full aperture perforation, relate to perforating oil gas well bullet design and manufacturing technology field.
Technical background: in the prior art, when the oil gas well is implemented the full aperture perforation construction, the fragment of perforating bullet and firing mount can be stayed in the well, owing to be the perforation in all-pass footpath, require perforation construction back perforating bullet and firing mount to be broken into the small-particle chip fully, be convenient to flushing fluid and take ground out of, make underground formation oil gas latus rectum, this latus rectum perforation construction of will demanding perfection must be adopted low-chip perforating bullet; Traditional low-debris shell case all is to adopt material turning such as cast iron, casting zinc to form basically, though the prior art effect can reach requirement, because material itself is more crisp, and shell case is thinner, therefore just comparatively complicated in the manufacturing procedure that adds man-hour, therefore cause production cost higher, and, the shell case of prior art is after blast, the chip and the imperfect stability that form also have bigger particle sometimes, wherein-32 purpose chip≤50% of perforating bullet formation.
These bigger particles can be stayed in the gas channel, can not fall into the shaft bottom, and what have also can form accumulation, and gas channel is caused certain harm.
Summary of the invention: The present invention be directed to prior art can not form stable broken particle and be difficult for processing after blast problem, employing adds new element in iron, make the method that forms new shell case material, designed a kind of novel low-chip perforating bullet case.
The present invention is achieved in that the present invention is that the basis fusion forms by iron, it is characterized in that: iron is the alloy material that Fe-Cu-C constitutes, calculate by quality ratio, wherein Fe opaque amount is 100%, Cu and C material add in the Fe of 100% quality powder in addition, Fe powder with 100% is the radix metering, and wherein the add-on of Cu powder is 0.5～2.5%, C powder 0.2～0.5%;
Make according to following steps:
The first step is the radix metering with 100% Fe powder, adds the Cu powder that accounts for Fe opaque amount mark 0.5～2.5% in addition, adds 0.2～0.5% C powder again, pours in the mixer and mixes 10 hours, obtains the uniform material of thorough mixing;
The material that second step mixed the first step adopts the 250t pressing machine to be pressed into the shell case blank;
The 3rd step packed the shell case blank in the sintering boat into, adopted the alumina powder covering and heat insulating, adopted the molybdenum filament sintering oven to carry out sintering then, and the high-temperature zone temperature is controlled at 1100～1150 ℃, and take out then soaking time≤120 minute;
After the 4th step shell case takes out the sintering boat, immerse L-AN15 machine oil and handle, oily temperature is 140～160 ℃, and the time is 3～4 minutes;
After the 5th step immersion oil is handled, immerse the processing of deoiling in the alkali lye again, 100 ℃ of the temperature of deoiling, are gone oil to the greatest extent at 15 minutes time;
After the 6th step deoiled and handle, with the cold rinse that flows that surplus liquid rinsing is clean, time 〉=30 second obtained the finished product shell case after waiting to dry.
The immersion oil in described the 4th step is handled, and submerged oil also can be transformer oil, spindle oil, perhaps slushing oil;
It is NaOH solution that described alkali lye can be adopted, or Na
2CO
3Solution if adopt NaOH, then dissolves in the NaOH powder in the water and is prepared from, and concentration is 5g/L; If that adopt is Na
2CO
3, then with Na
2CO
3Powder dissolves in the water and is prepared from, and concentration is 30g/L.
Advantage of the present invention is: because the cost of Fe based powdered material is lower than cast iron materials, so the low-chip perforating bullet case that the present invention makes has the low characteristics of production cost; In manufacturing processed, because the present invention adopts the mould compacting, can continue compacting, not need to carry out other adjustment, so the operation simple controllable, in addition, in same mould, suppress, changed prior art and adopted the single processing of lathe, so product precision height, the dimensional uniformity height, the constant product quality of preparation;
Description of drawings
Fig. 1 is a schema of the present invention.
Fig. 2 is a product sectional view made according to the method for the present invention.
Embodiment:
Provide embodiments of the invention below in conjunction with accompanying drawing:
Iron of the present invention is the alloy material that is made of Fe-Cu-C, calculates by quality ratio, and wherein Fe opaque amount is 100%, and Cu and C material add in the Fe of 100% quality powder in addition,
Making processes is:
The first step is the batch mixing stage 1, and in this stage, the Fe powder with 100% is the radix metering, and wherein the add-on of Cu powder is 0.5～2.5%, C powder 0.2～0.5%; Add 0.5%～2.5% Cu powder and 0.2～0.5% C powder, can improve the tensile strength of shell case 7;
Second step was a pressing stage 2, in this stage, with the Fe based powders that mixes, adopted hydropress to make the blank of shell case 7 under 250t pressure;
The 3rd step was the sintered heat insulating stage 3, in this stage, in the sintering boat of packing into, adopted alumina powder to cover an insulation, adopted the molybdenum filament sintering oven to carry out sintering, and the high-temperature zone is controlled at 1100～1150 ℃, and soaking time was controlled at 120 minutes;
The 4th step is be immersion oil the treatment stage 4, in this stage, will go out shell case behind the boat and carry out immersion oil and handle, the oil temperature control is immersed L-AN15 machine oil and is carried out the immersion oil processing at 140～160 ℃, and the oil that immersion oil is handled also can be transformer oil, spindle oil, perhaps slushing oil, the time was controlled at 3～4 minutes;
The 5th step was deoil the treatment stage 5, and in this stage, the shell case 7 after immersion oil handled immerses processings of deoiling in the alkali lye again, 100 ℃ of the temperature of deoiling, and 15 minutes time is till oil gone to use up;
The 6th step, in this stage, with the mobile cold rinse of 7 usefulness of the shell case after deoiling, surplus liquid rinsing is clean, and the time was no less than 30 seconds, obtained the finished product shell case after waiting to dry be rinsing the treatment stage 6;
During fabrication, as long as improve the density of shell case 7, just can improve the tensile strength of shell case 7, also just help improving the degree of depth of wearing of perforating bullet, still, if density is too high, tinyization that is unfavorable for chip again, through repetition test, when the density design of shell case 7 at 6.8/cm
3The time, wear dark and chip can obtain trim point preferably, the shell case of this density can satisfy wears dark requirement, can form short grained chip again, in the chip that forms ,-32 purpose debris quantities can 〉=50%, therefore, the shell case 7 of manufacturing of the present invention has the high-intensity while, can form more tiny detrital grain in the detonation process.Reach the purpose of deep penetration low-debris, bigger advantage is arranged than existing cast iron, zinc alloy and steel part shell case;
The present invention is aspect the selecting for use of material, in the Fe of 100% quality powder, added 0.5～2.5% Cu powder and 0.2～0.5%C powder in addition, the method of design is to add Cu powder and C powder in the Fe of 100% quality powder in addition, therefore dosage does not need complicated calculating, very be convenient to control, as long as control dosage well, just can control the tensile strength and the density of finished product as required, under the situation of control tensile strength and density, just can select different dosages for use according to the needs of design, thereby influence the globule size of the fried back of perforating bullet chip, so have the chip controllable granularity, characteristics such as the easy adjustment of prescription, so, the shell case that method of the present invention is produced is after carrying out the full aperture perforation construction, the shell case chip all falls into the shaft bottom, and does not form accumulation, phenomenons such as bridging can form complete oil gas latus rectum.
Claims (3)
1. the manufacture method of a low-chip perforating bullet case, by iron is that the basis fusion forms, it is characterized in that: iron is the alloy material that Fe-Cu-C constitutes, wherein Fe opaque amount is 100%, Cu and C material add in addition, and the Fe powder with 100% is the radix metering, and the add-on of Cu powder is 0.5～2.5%, the add-on of C powder is 0.2～0.5%, makes according to following steps:
The first step is the radix metering with 100% Fe powder, and other adds 0.5～2.5% Cu powder, adds 0.2～0.5% C powder again, pours in the mixer and mixes 10 hours, obtains the uniform material of thorough mixing;
The material that second step mixed the first step adopts the 250t pressing machine to be pressed into the shell case blank;
The 3rd step packed the shell case blank in the sintering boat into, adopted the alumina powder covering and heat insulating, adopted the molybdenum filament sintering oven to carry out sintering then, and the high-temperature zone temperature is controlled at 1100～1150 ℃, and take out then soaking time≤120 minute;
After the 4th step shell case takes out the sintering boat, immerse L-AN15 machine oil and handle, oily temperature is 140～160 ℃, and the time is 3～4 minutes;
After the 5th step immersion oil is handled, immerse the processing of deoiling in the alkali lye again, 100 ℃ of the temperature of deoiling, are gone oil to the greatest extent at 15 minutes time;
After the 6th step deoiled and handle, with the cold rinse that flows that surplus liquid rinsing is clean, time 〉=30 second obtained the finished product shell case after waiting to dry.
2. the manufacture method of low-chip perforating bullet case according to claim 1 is characterized in that: the immersion oil in described the 4th step is handled, and submerged oil also can be transformer oil, spindle oil, perhaps slushing oil.
3. the manufacture method of low-chip perforating bullet case according to claim 1, it is characterized in that: it is NaOH solution that described alkali lye can be adopted, and perhaps adopts Na
2CO
3Solution, adopting the concentration of NaOH solution is 5g/L; Use Na
2CO
3The concentration of solution is 30g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010264539 CN101914733B (en) | 2010-08-26 | 2010-08-26 | Manufacturing method of low-chip perforating bullet case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010264539 CN101914733B (en) | 2010-08-26 | 2010-08-26 | Manufacturing method of low-chip perforating bullet case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101914733A true CN101914733A (en) | 2010-12-15 |
| CN101914733B CN101914733B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010264539 Expired - Fee Related CN101914733B (en) | 2010-08-26 | 2010-08-26 | Manufacturing method of low-chip perforating bullet case |
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| Country | Link |
|---|---|
| CN (1) | CN101914733B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091780A (en) * | 2011-01-19 | 2011-06-15 | 大庆石油管理局 | Composition of powder metallurgical perforating charge shell material, professional die and manufacturing method of the powder metallurgical perforating charge shell material |
| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN114160794A (en) * | 2021-10-20 | 2022-03-11 | 物华能源科技有限公司 | Energy-increasing active material shell, preparation method and outer sleeve type synergistic perforating charge matched with energy-increasing active material shell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737489A (en) * | 2005-09-09 | 2006-02-22 | 中国航天科技集团公司川南机械厂 | Method for making low clast bullet and bullet made by the method |
| CN101509100A (en) * | 2009-03-26 | 2009-08-19 | 黑龙江省机械科学研究院 | Oil field perforating bullet body powder metallurgy material and perforating bullet body manufacturing method |
-
2010
- 2010-08-26 CN CN 201010264539 patent/CN101914733B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737489A (en) * | 2005-09-09 | 2006-02-22 | 中国航天科技集团公司川南机械厂 | Method for making low clast bullet and bullet made by the method |
| CN101509100A (en) * | 2009-03-26 | 2009-08-19 | 黑龙江省机械科学研究院 | Oil field perforating bullet body powder metallurgy material and perforating bullet body manufacturing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091780A (en) * | 2011-01-19 | 2011-06-15 | 大庆石油管理局 | Composition of powder metallurgical perforating charge shell material, professional die and manufacturing method of the powder metallurgical perforating charge shell material |
| CN102091780B (en) * | 2011-01-19 | 2012-12-05 | 大庆石油管理局 | Composition of powder metallurgical perforating charge shell material, professional die and manufacturing method of the powder metallurgical perforating charge shell material |
| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN114160794A (en) * | 2021-10-20 | 2022-03-11 | 物华能源科技有限公司 | Energy-increasing active material shell, preparation method and outer sleeve type synergistic perforating charge matched with energy-increasing active material shell |
| CN114160794B (en) * | 2021-10-20 | 2024-06-11 | 物华能源科技有限公司 | Energy-increasing active material shell, preparation method and matched coat type synergistic perforating bullet |
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| Publication number | Publication date |
|---|---|
| CN101914733B (en) | 2012-11-21 |
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Application publication date: 20101215 Assignee: SICHUAN PETROLEUM PERFORATING EQUIPMENT Co.,Ltd. Assignor: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Contract record no.: 2013510000106 Denomination of invention: Manufacturing method of low-chip perforating bullet case Granted publication date: 20121121 License type: Exclusive License Record date: 20131029 |
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Granted publication date: 20121121 Termination date: 20200826 |