CN102392621A - Indoor device for simulating site perforation - Google Patents
Indoor device for simulating site perforation Download PDFInfo
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- CN102392621A CN102392621A CN2011103044351A CN201110304435A CN102392621A CN 102392621 A CN102392621 A CN 102392621A CN 2011103044351 A CN2011103044351 A CN 2011103044351A CN 201110304435 A CN201110304435 A CN 201110304435A CN 102392621 A CN102392621 A CN 102392621A
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- kettle
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- sleeve pipe
- cement
- kettle cover
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Abstract
The invention discloses an indoor device for simulating site perforation. The device comprises a kettle and a kettle cover matched with the kettle; the bottom of the kettle is fixedly provided with a cement test block; the cement test block is provided with a perforating bullet; the perforating bullet is connected with a detonating primer; the detonating primer is connected with an exploder set outside the kettle by a detonating lead wire; the kettle cover is provided with a sleeve tube; the kettle cover is provided at least one through hole corresponding to the position of the sleeve tube; the free end of the sleeve tube is provided with a protecting cover. The device has the following advantages: the device can will simulate the actual site situation; the follow-up qualitative and quantitative evaluation of the cement test block can be performed conveniently after perforating; and the prominent advantages of the invention are that the invention is convenient to carry, which has low requirement on experimental environment; and the influence from the external environment is little; the structure is simple, the operation is convenient and the applicability is strong.
Description
Technical field
The present invention relates to the device of the on-the-spot perforation of a kind of lab simulation, belong to oil drilling technology experimental evaluation building service design technical field.
Background technology
In the exploration and development process of hypotonic oil gas field, modal completion mode is a perforation completion; Middle and later periods at oil mining also will be taked well stimulation, like acid fracturing, steam injection etc., to the demands for higher performance of cement sheath.Because the thinner thickness of annular space cement sheath; Under the effect of external force, be easy to produce mechanics and lost efficacy, especially in the perforation process, the cumulative bullet produces the damage that can't predict to the impact and the calcination meeting of cement sheath to cement sheath; This just has higher requirement to the mechanical property of cement sheath; A kind of method is the mode through the ANSYS software simulation, calculates the stressing conditions of cement sheath, and the performance of cement sheath is claimed; A kind of in addition method is exactly to seek a kind of suitable experimental technique, can simulate the downhole perforation process, thereby estimates the mechanical property of cement stone, more intuitively the performance of cement sheath is made judgement, thereby the performance of cement sheath is made requirement and evaluation.
There are a lot of methods at present in the toughness of how to evaluate cement stone, through rupture strength, and impact strength, a series of indexs such as modulus of elasticity, toughness that can both the reaction water mudstone.And toughness that how can analogue perforation process evaluation cement stone, cement stone is carried out perforation experiment, and to estimate the toughness of cement stone in time, effectively good and bad, most important for the design of cement stone.Through behind the perforation experiment to the analysis of cement stone qualitative and quantitative, judge the ability of cement stone shock resistance and anti-calcination, thus the toughness properties of optimizing cement stone as required.Therefore, a kind of effective experimental facilities that the perforation of cement stone is estimated need be provided.
Summary of the invention
The device that the purpose of this invention is to provide the on-the-spot perforation of a kind of lab simulation, situation under this device ability simulation well is carried out perforation to cement stone, has simple in structure, easy to operate, characteristic of strong applicability.
The device of the on-the-spot perforation of a kind of lab simulation provided by the invention comprises kettle and the kettle cover that matches with this kettle; Be installed with cement briquette on the bottom of said kettle; Said cement briquette is provided with perforating bullet, and said perforating bullet is connected with detonating primer, and said detonating primer is connected through igniting the lead initiator outer with being arranged at said kettle; Said kettle cover is provided with sleeve pipe, and the corresponding position, position with said sleeve pipe on the said kettle cover is provided with at least one through hole, and the free-end of said sleeve pipe is provided with protective cover.
In the above-mentioned device, can be provided with cushion block between the bottom of said cement briquette and said kettle, can prevent that said perforation from launching to wear the bottom of damaging said kettle after the said cement briquette.
In the above-mentioned device; Can be provided with at least 2 fixed legs with said cement briquette contact matching on the said cushion block; Said fixed leg can secure the above cement briquette in the perforation process; To prevent said cement briquette since the effect of huge impact power or powerful air stream turn on one's side down, thereby cause perforation to be failed.
In the above-mentioned device; Said protective cover can be back taper; Can be used for protecting fragment that said perforating bullet produces to splashing in the process of blast in the air everywhere, said sleeve pipe can also play the effect of sound absorber, can reduce the huge noise pollution that produces because of detonating primer and perforating bullet blast.
In the above-mentioned device, said sleeve pipe can be fixedly connected through screw thread with said kettle cover, and the through hole on the said kettle cover has played the effect of decompression, prevents to produce in the explosion time still Keep Clear-High Voltage environment; Said kettle cover can be fixedly connected through screw thread with said kettle, is used to make an airtight relatively explosion environment.
In the above-mentioned device, can be provided with handle on the said kettle cover, be used for rotating said kettle cover and shift this device.
In the above-mentioned device, said perforating bullet can be located at the middle part of said cement briquette.
In the above-mentioned device, the internal diameter of said sleeve pipe is less than the internal diameter of said kettle.
In the above-mentioned device, the material of said kettle can be alloy steel 42 chrome molybdenums or strong higher grade steel, must have enough intensity and bear because of the high pressure of blast moment generation and the shock resistance fatigue of repetition test generation; The material of said sleeve pipe can be alloy steel 42 chrome molybdenums or the strong low slightly steel of grade, owing to be to connect said kettle and said protective cover, plays the effect of buffering high pressure draught, so material is not had specific (special) requirements.
In the above-mentioned device, for the consideration of security reason, the distance between said initiator and the said kettle can be 30m～50m.
The device of the on-the-spot perforation of lab simulation provided by the invention has following beneficial effect:
1, can be good at the actual situation of simulated field, the cement briquette of carrying out behind the perforation can be carried out follow-up qualitative and quantitative evaluation very easily;
2, outstanding advantage is easy to carry, and is lower to the requirement of experimental situation, receives external environmental interference little;
3, simple in structure, easy to operate, applicability is strong.
Description of drawings
Fig. 1 is the structural representation of the device of the on-the-spot perforation of lab simulation provided by the invention.
Each mark is following among the figure: 1 kettle, 2 kettle covers, 3 handles, 4 cement briquettes, 5 cushion blocks, 6 fixed legs, 7 perforating bullets, 8 detonating fuses, 9 detonating primers, 10 are ignited lead, 11 initiators, 12 sleeve pipes, 13 protective covers.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified, but the present invention is not limited to following examples.
The device of the on-the-spot perforation of lab simulation provided by the invention comprises kettle 1 and the kettle cover 2 that matches with this kettle 1; Be fixedly connected (not shown) through screw thread between kettle 1 and the kettle cover 2; Be used to make an airtight relatively explosion environment, kettle 1 is processed by alloy steel 42 chrome molybdenums with kettle cover 2; Upwards be provided with 2 grip 3 week of kettle cover 2, this 2 grip 3 is convenient to rotate kettle cover 2 and is shifted this device for being oppositely arranged; The bottom of kettle 1 is provided with cushion block 5; The middle part of cushion block 5 is provided with cement briquette 4; Cushion block 5 is provided with 3 fixed legs 6, and fixed leg 6 closely contacts with cement briquette 4, is used to block cement briquette 4; To prevent water mud test block 4 since the effect of huge impact power or powerful air stream turn on one's side down, thereby cause perforation to be failed; Cement briquette 3 is provided with perforating bullet 7; This perforating bullet 7 is connected with detonating primer 9 through detonating fuse 8; Detonating primer 9 is connected through the initiator 11 outside igniting lead 10 and being arranged at kettle 1, and for the consideration of security reason, the distance between initiator 11 and the kettle 1 is 30m; Kettle cover 2 is provided with sleeve pipe 12; The internal diameter of sleeve pipe 12 is less than the internal diameter of kettle cover 2; Sleeve pipe 12 is fixedly connected (not shown) through screw thread with kettle cover 2, and the free-end of sleeve pipe 12 is provided with the protective cover 13 of back taper, and kettle cover 2 is provided with 15 through hole (not shown)s with the corresponding position, position of sleeve pipe 12; This through hole plays the effect of decompression, prevents to produce in the explosion time kettle 1 Keep Clear-High Voltage environment; Protective cover 13 can be used for protecting fragment that perforating bullet 7 produces to splashing in the air everywhere in the process of blast, sleeve pipe 12 can also play the effect of sound absorber, can reduce the huge noise pollution that produces because of detonating primer 9 and perforating bullet 7 blasts.
In the device of the on-the-spot perforation of above-mentioned lab simulation, kettle 1 also can be processed by ordinary low-alloy steel with kettle cover 2; Also can be fixedly connected between kettle 1 and the kettle cover 2 and between kettle cover 2 and the sleeve pipe 12, like modes such as threaded engagement through alternate manner; The height of the volume of kettle 1 and height and sleeve pipe 2 can be regulated according to actual needs; The number of the through hole on the kettle cover 2 can be adjusted according to actual needs; Distance between initiator 11 and the kettle 1 can be regulated in the scope of 30m～50m.
When using the device of the on-the-spot perforation of above-mentioned lab simulation, process is following: the button of pressing on the initiator 11 " power supply " pushes button " preparation " afterwards, and " opening quick-fried " at last pushes button; Press " preparation " after the blast successively, " power supply " pulled down and ignited lead (note: can not must wait more than half an hour this moment near kettle 1, after the smog that waits the blast back to produce disperses can near); Pull down protective cover 13, pull down sleeve pipe 12 afterwards, pull down kettle cover 2 then, take out cement briquette 4, carry out follow-up instrument cleaning work afterwards.
Claims (9)
1. the device of the on-the-spot perforation of a lab simulation, it is characterized in that: said device comprises kettle and the kettle cover that matches with this kettle; Be installed with cement briquette on the bottom of said kettle; Said cement briquette is provided with perforating bullet, and said perforating bullet is connected with detonating primer, and said detonating primer is connected through igniting the lead initiator outer with being arranged at said kettle; Said kettle cover is provided with sleeve pipe, and the corresponding position, position with said sleeve pipe on the said kettle cover is provided with at least one through hole, and the free-end of said sleeve pipe is provided with protective cover.
2. device according to claim 1 is characterized in that: be provided with cushion block between the bottom of said cement briquette and said kettle.
3. device according to claim 2 is characterized in that: said cushion block is provided with at least 2 fixed legs with said cement briquette contact matching.
4. according to arbitrary described device among the claim 1-3, it is characterized in that: said protective cover is a back taper.
5. according to arbitrary described device among the claim 1-4, it is characterized in that: said sleeve pipe is fixedly connected through screw thread with said kettle cover; Said kettle cover is fixedly connected through screw thread with said kettle.
6. according to arbitrary described device among the claim 1-5, it is characterized in that: said kettle cover is provided with handle.
7. according to arbitrary described device among the claim 1-6, it is characterized in that: said perforating bullet is located at the middle part of said cement briquette.
8. according to arbitrary described device among the claim 1-7, it is characterized in that: the internal diameter of said sleeve pipe is less than the internal diameter of said kettle.
9. according to arbitrary described device among the claim 1-8, it is characterized in that: the distance between said initiator and the said kettle is 30m～50m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103044351A CN102392621A (en) | 2011-10-10 | 2011-10-10 | Indoor device for simulating site perforation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103044351A CN102392621A (en) | 2011-10-10 | 2011-10-10 | Indoor device for simulating site perforation |
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| Publication Number | Publication Date |
|---|---|
| CN102392621A true CN102392621A (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103044351A Pending CN102392621A (en) | 2011-10-10 | 2011-10-10 | Indoor device for simulating site perforation |
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| Country | Link |
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| CN (1) | CN102392621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445187A (en) * | 2015-11-11 | 2016-03-30 | 北京理工大学 | Experiment device and method for studying impact chemical reaction characteristic of energy-contained jet material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369654A (en) * | 1980-12-23 | 1983-01-25 | Hallmark Bobby J | Selective earth formation testing through well casing |
| US20050092493A1 (en) * | 2003-10-29 | 2005-05-05 | Sukup Richard A. | Engineered solution for controlled buoyancy perforating |
| CN200982189Y (en) * | 2006-12-06 | 2007-11-28 | 西安通源石油科技股份有限公司 | Composite perforator dynamic test device |
| CN201507294U (en) * | 2009-09-22 | 2010-06-16 | 中国兵器工业第二一三研究所 | Heating and pressurizing detection device for analog unit perforating guns |
| CN101967968A (en) * | 2010-09-17 | 2011-02-09 | 武汉海王机电工程技术公司 | Three-cavity pressure separation device in high-temperature high-pressure container |
| CN201843592U (en) * | 2010-10-18 | 2011-05-25 | 武汉海王机电工程技术公司 | Oil-gas well perforation ground dynamic simulation tester |
| CN202300345U (en) * | 2011-10-10 | 2012-07-04 | 中国海洋石油总公司 | Device for simulating in-site perforation indoors |
-
2011
- 2011-10-10 CN CN2011103044351A patent/CN102392621A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369654A (en) * | 1980-12-23 | 1983-01-25 | Hallmark Bobby J | Selective earth formation testing through well casing |
| US20050092493A1 (en) * | 2003-10-29 | 2005-05-05 | Sukup Richard A. | Engineered solution for controlled buoyancy perforating |
| CN200982189Y (en) * | 2006-12-06 | 2007-11-28 | 西安通源石油科技股份有限公司 | Composite perforator dynamic test device |
| CN201507294U (en) * | 2009-09-22 | 2010-06-16 | 中国兵器工业第二一三研究所 | Heating and pressurizing detection device for analog unit perforating guns |
| CN101967968A (en) * | 2010-09-17 | 2011-02-09 | 武汉海王机电工程技术公司 | Three-cavity pressure separation device in high-temperature high-pressure container |
| CN201843592U (en) * | 2010-10-18 | 2011-05-25 | 武汉海王机电工程技术公司 | Oil-gas well perforation ground dynamic simulation tester |
| CN202300345U (en) * | 2011-10-10 | 2012-07-04 | 中国海洋石油总公司 | Device for simulating in-site perforation indoors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445187A (en) * | 2015-11-11 | 2016-03-30 | 北京理工大学 | Experiment device and method for studying impact chemical reaction characteristic of energy-contained jet material |
| CN105445187B (en) * | 2015-11-11 | 2018-10-30 | 北京理工大学 | Study experimental provision and method that the jet material containing energy impacts chemical reaction characteristic |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: China National Offshore Oil Corporation Applicant after: CNOOC Research Institute Applicant after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant before: China National Offshore Oil Corporation Applicant before: CNOOC Research Center Applicant before: Yangtze University |
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Application publication date: 20120328 |