CN102155195B - Multi-control-unit multi-beam laser perforation device in oil well - Google Patents
Multi-control-unit multi-beam laser perforation device in oil well Download PDFInfo
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- CN102155195B CN102155195B CN2011100344763A CN201110034476A CN102155195B CN 102155195 B CN102155195 B CN 102155195B CN 2011100344763 A CN2011100344763 A CN 2011100344763A CN 201110034476 A CN201110034476 A CN 201110034476A CN 102155195 B CN102155195 B CN 102155195B
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Abstract
The invention belongs to the field of well completion technology of oil wells, and particularly relates to a multi-control-unit multi-beam laser perforation device in an oil well. The device mainly comprises a laser source, a high-pressure gas source and an underground laser perforator, wherein the laser source generates high-energy laser; the underground laser perforator comprises multiple laser perforation devices which are arranged orderly, controls the high-energy laser to perform the perforation operation in the oil well and controls to eject the gas output by the high-pressure gas source along the emergent direction of the laser so as to provide a clean channel for the laser perforation. The device provided by the invention controls multiple beams of high-energy laser to perform the perforation operation in the oil well at the same time, realizes high perforation efficiency, deep perforation and flexible and controllable perforation direction, improves the formation permeability and obviously increases the oil well capacity.
Description
Technical field
The invention belongs to the oil well completion technical field, be specifically related to a kind of multi-control-unit multi-beam laser perforation device in oil well.
Background technology
Under oil well, perforating technology belongs to a kind of oil well completion technology, specifically refers to get through well casing, cement layer and stratum, sets up the flow channel between stratum and well casing.Generally carry out perforating job under oil well with methods such as bullet and flexible linear-shaped charges at present, but these method perforating depths are shallow, the perforation direction is uncontrollable, and can produce the compacting effect to the stratum, thereby cause the permeability on stratum to reduce.These problems affect perforation completion operation under oil well always, are limiting the lifting of oil well productivity.and utilize high power laser light to carry out that under oil well, perforating job can address the above problem effectively, domestic research report about this technology is less, and there is no a kind of laser perforation device in oil well that drops into practical application yet, abroad with regard to this technology relevant report such as US4199034:Method and apparatus for perforating oil and gas wells, this patent Introduction a kind of laser perforation device in oil well, this device utilizes optical fiber that superlaser is transferred to the down-hole, and change laser direction by optical element, it is exposed to treat perforating stratum.Carry out with this device the degree of depth that perforating job under oil well has significantly increased perforation tunnel, and can accurately control the perforation direction by adjusting optical element.But only have one group of optical element of controlling laser in this device, perforation efficiency is not high.In addition, the foreign material that produce when down-hole complex environment and perforation when utilizing this device to carry out perforating job all can exert an influence to laser, have reduced laser perforating job efficient.
Summary of the invention
The object of the present invention is to provide a kind of multi-control-unit multi-beam laser perforation device in oil well, carry out under oil well perforating job and improve laser perforating job efficient to utilize superlaser.
In order to realize above-mentioned technical purpose, the present invention adopts following technical solution:
A kind of multi-control-unit multi-beam laser perforation device in oil well comprises lasing light emitter, high-pressure air source and down-hole laser perforator, wherein:
Described down-hole laser perforator comprises at least two group laser perforation unit, and wherein at least two group laser perforation unit connect successively, and every group of laser perforation unit comprises at least two cover laser perforating systems;
Described every cover laser perforating system comprises laser controlling unit and gas cleaning unit, and laser controlling unit and gas cleaning unit interconnect; Wherein:
The laser controlling unit comprises shell, optical fiber and is installed on the interior condenser lens of shell, speculum and speculum rotation controls frame, and described shell one sidewall is provided with the first borrow light; Described optical fiber one end communicates in shell and shell, and the other end is connected with lasing light emitter; Described condenser lens is positioned at below optical fiber; Described speculum is installed on speculum and rotate controls on frame and be positioned at the condenser lens below, and this speculum is the variable speculum of the angle of pitch, and during pitch angle variation mirror surface towards the first borrow light;
The gas cleaning unit comprises high-pressure air pipe, fixed housing, rotational shell and rotational shell controller; Described high-pressure air pipe one end communicates with inside, gas cleaning unit through fixed housing, and the other end is connected with high-pressure air source; Described fixed housing is to have uncovered housing, the rotational shell that can slide up and down with respect to fixed housing is installed at open-mouth, this rotational shell is provided with nozzle, be provided with the second borrow light on the sidewall of shell being relatively fixed with uncovered place sidewall, the sidewall that is provided with the first borrow light in this sidewall that is provided with the second borrow light and shell is connected, and the second borrow light is relative with the first borrow light with nozzle; Described rotational shell controller is installed on fixed housing and with rotational shell and is connected.
Other of apparatus of the present invention are characterized as:
Described condenser lens surface is coated with the laser antireflective coating.
Described mirror surface is coated with laser highly reflecting films layer.
Be coated with the laser antireflective coating on described the first borrow light.
Described gas cleaning unit also comprises a gas valve, and this gas valve is connected with high-pressure air pipe and is installed on fixed housing.
Be coated with the laser antireflective coating on described the second borrow light.
Described nozzle is located at the center of rotational shell.
Described nozzle is conical nozzle.
Described down-hole laser perforator also comprises a Rotation Controllers, and this Rotation Controllers is installed on an end of down-hole laser perforator.
Described down-hole laser perforator also comprises a centralizer, and this centralizer is installed on an end of down-hole laser perforator, and perhaps, described down-hole laser perforator also comprises two centralizers, and these two centralizers are installed on respectively the two ends of down-hole laser perforator.
Compared with prior art, the present invention has following advantage:
(1) this perforating system adopts laser to carry out perforating job under oil well, not only can not produce the compacting effect to the stratum in the perforation process, can increase on the contrary through the permeability of laser ablation Later Zhou Dynasty, one of the Five Dynasties country rock stone.
Laser beam can be accurately controlled when (2) this perforating system utilizes laser to carry out under oil well perforating job, thereby well casing can not be damaged.
(3) this perforating system adopts laser to carry out perforating job under oil well, and the rock of continuously ablation perforation tunnel end has greatly increased perforating depth.
(4) rotate by speculum the angle of pitch of controlling frame adjustment speculum, accurately control the laser emitting angle, can realize by specifying the angle of inclination to carry out perforating job.
(5) continuously spray gases at high pressure by gas nozzle, effectively play the effect of cleaning perforation tunnel, greatly improved laser perforating job efficient.
(6) there are many groups to arrange orderly laser controlling unit in this device, can control simultaneously multiple laser and carry out perforating job, greatly improved laser perforating job efficient.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of every cover laser perforating system in every group of laser perforation unit;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the horizontal cross-sectional view of one group of laser perforation unit in embodiment.
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.
The specific embodiment
As shown in Figure 1 to Figure 3, the inventive system comprises lasing light emitter 1, high-pressure air source 2 and down-hole laser perforator 3, wherein:
Down-hole laser perforator 3 comprises at least two group laser perforation unit, wherein longitudinally connect successively between at least two group laser perforation unit, every group of laser perforation unit comprises at least two cover laser perforating systems, at least two cover laser perforating systems link together by welding or mechanical device, and at least two cover laser perforating systems are on same level;
Described every cover laser perforating system comprises laser controlling unit and gas cleaning unit, and the laser controlling unit is connected with the gas cleaning unit; Wherein:
The laser controlling unit comprises shell 5, optical fiber 4 and is installed on the interior condenser lens 6 of shell 5, speculum 7 and speculum rotation controls frame 8; Described shell 5 one sidewalls are provided with the first borrow light 9, described optical fiber 4 one ends communicate in shell 5 and shell 5, the other end is connected with lasing light emitter 1, described condenser lens 6 is positioned at optical fiber 4 belows, described speculum 7 is installed on speculum and rotate controls on frame 8 and be positioned at condenser lens 6 belows, and this speculum 7 be rotary reflector, and speculum 7 faces the first borrow light 9 during rotation, the angle of pitch that is speculum 7 can be according to need of work and conversion, and speculum 7 faces the first borrow light 9 during conversion; Each combined member in this unit thinks by adjusting the exit direction of laser beam the angle of inclination of accurately and effectively controlling perforation tunnel.
The gas cleaning unit comprises high-pressure air pipe 11, fixed housing 13, rotational shell 14 and rotational shell controller 16; Described high-pressure air pipe 11 1 ends communicate with inside, gas cleaning unit through fixed housing 13, and the other end is connected with high-pressure air source 2; Described fixed housing 13 is for having uncovered housing, be on the sidewall in fixed housing 13, opening to be arranged, fixed housing is semi-enclosed housing, the rotational shell 14 that can slide up and down with respect to fixed housing 13 is installed at open-mouth, this rotational shell 14 is provided with nozzle 15, be provided with the second borrow light 10 on another sidewall of shell 13 being relatively fixed with uncovered place sidewall, this sidewall that is provided with the second borrow light 10 is connected with the sidewall that is provided with the first borrow light 9 of shell 5, and the second borrow light 10 is simultaneously relative with the first borrow light 9 with nozzle 15; Described rotational shell controller 16 is installed on fixed housing 13 and with rotational shell 14 and is connected, these unit controls rotational shell 14 rotations, and then the direction of Control Nozzle 15 outgoing air-flows.When carrying out perforating job, need to adjust simultaneously the direction of speculum 7 and nozzle 15, so that aiming at simultaneously, laser beam and high pressure draught treat the perforation direction, when high pressure draught and laser emitting direction are consistent, the gases at high pressure of ejection play the cleaning perforation tunnel effectively, reach the purpose that auxiliary laser carries out perforating job.
In order to reduce the laser energy loss, described condenser lens 6 surfaces are coated with the laser antireflective coating.
In order to reduce the laser energy loss, described speculum 7 surfaces are coated with laser highly reflecting films layer.
In order to reduce the laser energy loss, be coated with the laser antireflective coating on described the first borrow light 9.
Described gas cleaning unit also comprises a gas valve 12, and this gas valve 12 is connected with high-pressure air pipe 11 and is installed on fixed housing 13.
In order to reduce the laser energy loss, be coated with the laser antireflective coating on described the second borrow light 10.
In order effectively to clean perforation tunnel, described nozzle 15 is located at the center of rotational shell 14.
In order effectively to clean perforation tunnel, described nozzle 15 is conical nozzle.
For laser perforator under control well 3 carries out the rotation of horizontal direction, flexibility when namely improving whole device operation, described down-hole laser perforator 3 also comprises a Rotation Controllers 22, this Rotation Controllers 22 is installed on an end of down-hole laser perforator 3, namely is installed on one group of laser perforation unit of laser perforator 3 upper ends, down-hole or bottom;
further, stability when keeping down-hole laser perforator 3 operation, described down-hole laser perforator 3 also comprises a centralizer 21, this centralizer 21 is installed on down-hole laser perforator 3 one ends, namely should or be installed on one group of laser perforation unit of laser perforator 3 upper ends, down-hole or bottom, or be installed on Rotation Controllers 22, in the same manner: for the work requirements that satisfies the excessive instrument of volume or when condition of work is abominable, on down-hole laser perforator 3, two centralizers 21 can be installed, these two centralizers 21 are installed on respectively the two ends up and down of down-hole laser perforator 3.
Be to save material, guarantee the globality of whole device, the sidewall that is provided with the second borrow light 10 of the fixed housing 13 in described gas cleaning unit and the sidewall that is provided with the first borrow light 9 of shell 5 are integrated, and the second borrow light 10 and the first borrow light 9 are integrated.
Described rotational shell controller 16 inside are equipped with servomotor 17, drive link 19 and gear 18, and servomotor 17, drive link 19 be connected with gear and connect successively, and its middle gear 18 is meshed with the side of rotational shell 14.
Described speculum rotates to control in frame 8 motor and transmission device is installed, and motor is connected with transmission device, transmission device be connected with speculum 7 regulate and control speculum 7 luffing angle accurately and easily to control the laser emitting direction.
Described Rotation Controllers comprises motor and transmission device, and motor is connected with transmission device, and transmission device is connected with down-hole laser perforator controls its rotation in the horizontal direction.
Whole device can be by terrestrial operation console regulation and control, wherein Rotation Controllers 22 is connected the motor of controlling in frame 8 and all is connected with this terrestrial operation console with speculum, servomotor in rotational shell controller 16 is connected with this terrestrial operation console, centralizer 21 is connected with this terrestrial operation console, the staff is according to requirements of one's work, rotates in the horizontal direction and the stability during operation, pitch angle conversion and the rotational shell 14 of speculum 7 slide up and down with respect to fixed housing 13 by laser perforator 3 under this terrestrial operation console control well; This terrestrial operation console is connected with gas valve 12 simultaneously, controls switch and the flow of gases at high pressure.
At first down-hole laser perforator is suspended in midair to treating perforating stratum during work, then adjust down-hole laser perforator by the terrestrial operation console, its each perforation control module is pointed to initially treat the perforation direction, finally control laser beam and complete whole perforating job.
Operating principle and the process of every cover laser perforating system are: the direction that instrument is adjusted speculum 7 and nozzle 15 after the formation at target locations is pointed to simultaneously them and is treated the perforation direction and be consistent, high energy laser beam is penetrated by optical fiber 4, line focus lens 6 focus on, speculum 7 reflections, then penetrate by the first borrow light 9, the second borrow light 10 and nozzle 15.When superlaser penetrates; the nozzle 15 of gas cleaning unit continuously sprays shielding gas flow; for laser provides the incident passage of a cleaning and the foreign material band perforation hole hole that perforation is produced; high energy laser beam is successively penetrated and is worn well tubular wall, cement layer and stratum, thereby reaches the purpose of setting up flow channel between stratum and well casing.
The present invention controls simultaneously the multi beam superlaser and carries out perforating job under oil well, and perforation efficiency is high, and perforating depth is dark, the perforation direction flexibly controlled, increased stratum permeability, significantly improved oil well productivity.
Be below the specific embodiment that the inventor provides, this embodiment is in order further to understand the present invention, to the invention is not restricted to this embodiment.
Embodiment:
Referring to figs. 1 to Fig. 3 also as shown in Figure 4, device in the present embodiment comprises lasing light emitter 1, high-pressure air source 2 and down-hole laser perforator 3, lasing light emitter 1 and high-pressure air source 2 rest on the ground, avoid the impact of down-hole complex environment on instrument so on the one hand, eliminated again on the other hand the restriction of well casing size to instrument size, volume; Lasing light emitter 1 is a high power all solid state laser, and its superlaser that produces is transmitted through the fiber to down-hole laser perforator 3; Wherein:
Down-hole laser perforator 3 comprises a centralizer 21, Rotation Controllers 22 and three groups of laser perforation unit, wherein longitudinally connect successively between three groups of perforation unit, centralizer 21 is installed on the laser perforation unit on laser perforator 3 tops, down-hole, Rotation Controllers 22 is installed on the laser perforation unit of laser perforator 3 bottoms, down-hole, wherein every group of perforation unit comprises quadruplet laser perforating system, weld together between quadruplet laser perforating system, and quadruplet laser perforating system is installed on same level, and evenly distributes in horizontal plane;
Described every cover laser perforating system comprises laser controlling unit and gas cleaning unit, and laser controlling unit and gas cleaning unit interconnect; Wherein:
The laser controlling unit comprises shell 5, optical fiber 4 and is installed on the interior condenser lens 6 of shell 5, speculum 7 and speculum rotation controls frame 8, this speculum rotates to be controlled frame 8 and is installed on shell 5 bottom surfaces, speculum rotates to control in frame 8 motor and transmission device is installed, this motor is connected with transmission device, wherein transmission device is connected the rotation of control speculum with speculum 7, change the angle of pitch of speculum according to need of work, its housing 5 one sidewalls are provided with the first borrow light 9; Optical fiber 4 one ends enter the laser controlling unit from shell 5 tops of laser controlling unit, the other end is connected with lasing light emitter 1; Condenser lens 6 is positioned at optical fiber 4 belows, plays the effect of focused beam; Speculum 7 is installed on speculum and rotate controls on frame 8 and be positioned at condenser lens 6 belows, speculum 7 can rotate around speculum and control the frame 8 top change angles of pitch, realizing carrying out perforating job in polarizers of big angle scope, and during the pitch angle variation of speculum 7 minute surface towards the first borrow light 9; Laser beam penetrates through the first borrow light 9 through speculum 7 reflections, is radiated at and treats on perforating stratum; Be to reduce the laser energy loss, all be coated with the laser antireflective coating on condenser lens 6 surfaces and the first borrow light 9, speculum 7 surfaces are coated with laser highly reflecting films layer;
the gas cleaning unit comprises high-pressure air pipe 11, gas valve 12, fixed housing 13, rotational shell 14 and rotational shell controller 15, gas valve 12 is installed between high-pressure air pipe 11 and fixed housing 13, namely is connected with high-pressure air pipe 11 and is installed on fixed housing 13, high-pressure air pipe 11 1 ends are connected with high-pressure air source 2, and high-pressure air pipe 11 other ends, gas valve 12, fixed housing 13 tops connect successively, and gases at high pressure passage thus enter in the gas cleaning unit, fixed housing 13 is for having uncovered housing, furtherly, this fixed housing 13 comprises that one has uncovered sidewall, the rotational shell 14 that can longitudinally slide up and down with respect to fixed housing 13 is installed at open-mouth, these rotational shell 14 center positions are provided with nozzle 15, and this nozzle is conical nozzle, be provided with the second borrow light 10 on the sidewall of shell 13 being relatively fixed with uncovered place sidewall, the sidewall that is provided with the first borrow light 9 in this sidewall that is provided with the second borrow light 10 and shell 5 is connected, and the second borrow light 10 is simultaneously relative with the first borrow light 9 with nozzle 15, the second borrow light 10 overlaps with the first borrow light 9, for reducing the laser energy loss, be coated with the laser antireflective coating on the second borrow light 10, rotational shell controller 16 is installed on fixed housing 13 bottoms and is connected with rotational shell 14, this rotational shell controller 16 inside are equipped with servomotor 17, drive link 19 and gear 18, and servomotor 17, drive link 19 are connected with gear successively and are connected, its middle gear 18 is meshed with the side of rotational shell 14 and controls rotational shell 14 in the vertical directions slips, and remains that in rotation process the spraying high-pressure gas direction is consistent with the laser emitting direction, in the course of work, gases at high pressure by nozzle 15 ejections on rotational shell 14 arrange the liquid of down-hole on the one hand, provide the passage of cleaning for the laser perforation, the foreign material band perforation hole hole that on the other hand the laser perforation is produced, avoid like this laser and liquid and foreign material effect, improved perforation efficiency.
Described Rotation Controllers 22 comprises motor and transmission device, and motor is connected with transmission device, and transmission device is connected with down-hole laser perforator 3 controls its rotation in the horizontal direction.
Whole device can be by terrestrial operation console regulation and control, wherein Rotation Controllers 22 is connected the motor of controlling in frame 8 and all is connected with this terrestrial operation console with speculum, servomotor in rotational shell controller 16 is connected with this terrestrial operation console, centralizer 21 is connected with this terrestrial operation console, the staff is according to requirements of one's work, rotates in the horizontal direction and the stability during operation, pitch angle conversion and the rotational shell 14 of speculum 7 slide up and down with respect to fixed housing 13 by laser perforator 3 under this terrestrial operation console control well; This terrestrial operation console is connected with gas valve 12 simultaneously, controls switch and the flow of gases at high pressure.
Claims (10)
1. a multi-control-unit multi-beam laser perforation device in oil well, comprise lasing light emitter (1), high-pressure air source (2), it is characterized in that, this device also comprises down-hole laser perforator (3), wherein:
Described down-hole laser perforator (3) comprises at least two group laser perforation unit, and wherein at least two group laser perforation unit connect successively, and every group of laser perforation unit comprises at least two cover laser perforating systems;
Described every cover laser perforating system comprises laser controlling unit and gas cleaning unit, and the laser controlling unit is connected with the gas cleaning unit; Wherein:
The laser controlling unit comprises shell (5), optical fiber (4) and is installed on the interior condenser lens (6) of shell (5), speculum (7) and speculum rotation controls frame (8); Described shell (5) one sidewalls are provided with the first borrow light (9); Described optical fiber (4) one ends communicate in shell (5) and shell (5), and the other end is connected with lasing light emitter (1); Described condenser lens (6) is positioned at below optical fiber (4); Described speculum (7) is installed on speculum and rotate controls frame (8) and go up and be positioned at below condenser lens (6), and this speculum (7) is the variable speculum of the angle of pitch, and speculum (7) faces the first borrow light (9) during pitch angle variation;
The gas cleaning unit comprises high-pressure air pipe (11), fixed housing (13), rotational shell (14) and rotational shell controller (16); Described high-pressure air pipe (11) one ends communicate with inside, gas cleaning unit through fixed housing (13), and the other end is connected with high-pressure air source (2); Described fixed housing (13) is for having uncovered housing, the rotational shell (14) that can slide up and down with respect to fixed housing (13) is installed at this open-mouth, this rotational shell (14) is provided with nozzle (15), be provided with the second borrow light (10) on the sidewall of shell (13) being relatively fixed with uncovered place sidewall, this sidewall that is provided with the second borrow light (10) is connected with the sidewall that is provided with the first borrow light (9) of shell (5), and the second borrow light (10) is relative with the first borrow light (9) with nozzle (15); Described rotational shell controller (16) is installed on fixed housing (13) upward and is connected with rotational shell (14).
2. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, is characterized in that, described condenser lens (6) surface is coated with the laser antireflective coating.
3. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, is characterized in that, described speculum (7) surface is coated with laser highly reflecting films layer.
4. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, is characterized in that, is coated with the laser antireflective coating on described the first borrow light (9).
5. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, it is characterized in that, described gas cleaning unit also comprises a gas valve (12), and this gas valve (12) is connected with high-pressure air pipe (11) and is installed on fixed housing (13).
6. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, is characterized in that, is coated with the laser antireflective coating on described the second borrow light (10).
7. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, is characterized in that, described nozzle (15) is located at the center of rotational shell (14).
8. multi-control-unit multi-beam laser perforation device in oil well as described in claim 1 or 7, is characterized in that, described nozzle (15) is conical nozzle.
9. multi-control-unit multi-beam laser perforation device in oil well as claimed in claim 1, it is characterized in that, described down-hole laser perforator (3) also comprises a Rotation Controllers (22), and this Rotation Controllers (22) is installed on an end of down-hole laser perforator (3).
10. multi-control-unit multi-beam laser perforation device in oil well as described in claim 1 or 9, it is characterized in that, described down-hole laser perforator (3) also comprises a centralizer (21), this centralizer (21) is installed on an end of down-hole laser perforator (3), perhaps, described down-hole laser perforator (3) also comprises two centralizers (21), and these two centralizers (21) are installed on respectively the two ends of down-hole laser perforator (3).
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| CN2011100344763A CN102155195B (en) | 2011-02-01 | 2011-02-01 | Multi-control-unit multi-beam laser perforation device in oil well |
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| CN2011100344763A CN102155195B (en) | 2011-02-01 | 2011-02-01 | Multi-control-unit multi-beam laser perforation device in oil well |
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| CN104563976B (en) * | 2013-10-11 | 2018-04-27 | 中国石油化工股份有限公司 | Laser perforation system and laser perforating methods |
| CN114592832B (en) * | 2022-03-15 | 2023-08-25 | 西南石油大学 | Laser perforation robot |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5413045A (en) * | 1992-09-17 | 1995-05-09 | Miszewski; Antoni | Detonation system |
| US6888097B2 (en) * | 2003-06-23 | 2005-05-03 | Gas Technology Institute | Fiber optics laser perforation tool |
| GB2420135A (en) * | 2004-11-12 | 2006-05-17 | Halliburton Energy Serv Inc | Formation perforating, heating and analysis using a laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6880646B2 (en) * | 2003-04-16 | 2005-04-19 | Gas Technology Institute | Laser wellbore completion apparatus and method |
| US7487834B2 (en) * | 2005-04-19 | 2009-02-10 | Uchicago Argonne, Llc | Methods of using a laser to perforate composite structures of steel casing, cement and rocks |
| US8464794B2 (en) * | 2009-06-29 | 2013-06-18 | Halliburton Energy Services, Inc. | Wellbore laser operations |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5413045A (en) * | 1992-09-17 | 1995-05-09 | Miszewski; Antoni | Detonation system |
| US6888097B2 (en) * | 2003-06-23 | 2005-05-03 | Gas Technology Institute | Fiber optics laser perforation tool |
| GB2420135A (en) * | 2004-11-12 | 2006-05-17 | Halliburton Energy Serv Inc | Formation perforating, heating and analysis using a laser |
Non-Patent Citations (2)
| Title |
|---|
| 徐松林等.短脉冲激光与岩石相互作用机理初探.《岩石力学与工程学报》.2005,第24卷 |
| 短脉冲激光与岩石相互作用机理初探;徐松林等;《岩石力学与工程学报》;20050831;第24卷;4694－4699 * |
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