CN103485749A - Perforation angle variable perforator for oil-gas well perforation - Google Patents
Perforation angle variable perforator for oil-gas well perforation Download PDFInfo
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- CN103485749A CN103485749A CN201310448292.0A CN201310448292A CN103485749A CN 103485749 A CN103485749 A CN 103485749A CN 201310448292 A CN201310448292 A CN 201310448292A CN 103485749 A CN103485749 A CN 103485749A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000010304 firing Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The invention discloses a perforation angle variable perforator for oil-gas well perforation, and relates to the technical field of well-completion practice of oil-gas well perforation. The perforator comprises a modularized bullet supporting device and a directional steel structure matched with the modularized bullet supporting device, a perforating bullet is mounted in the modularized bullet supporting device, the modularized bullet supporting device comprises an upper bullet supporting plate, a lower bullet supporting plate and two bullet supporting support plates, the directional steel structure comprises two directional square structures, a fixing ring and a backing ring, the modularized bullet supporting device is mounted between the two directional square structures, a hinged shaft of the modularized bullet supporting device is matched with hinged shaft holes in the directional square structures, a slide groove pin is matched with an adjusting slide groove, and an indexing fixing hole is matched with an indexing hole. On one hand, the jet flow direction of the perforator has a directional function; on the other hand, the jet flow direction of the perforating bullet can be controlled and has a wide-range variable angle adjusting function.
Description
Technical field
The present invention relates to perforating oil gas well completion practice technical field, exactly relate to the variable perforator of firing angle for a kind of perforating oil gas well.
Background technology
The conventional gas and oil of each Exploration Prospect of Giant Oilfields exploitation of the world is at present hidden, a direction reservoir intrinsic fracture of appearance part Oil/gas Well on the steep structural belt of height very grown, but carry out operation under the perforator condition in conventional spiral cloth hole, intrinsic fracture is seldom aimed in perforation tunnel, make the Oil/gas Well single well productivity not high, sand output well also can be followed seriously and shake out, and brings larger well head operation pressure also to follow-up well stimulation, does not reach effect of increasing production.
Publication number is CN2592864, and the Chinese patent literature that open day is on December 17th, 2003 discloses a kind of oil gas superelevation hole dense perforation device firing mount, for the oil-gas mining perforating job.Around firing mount, with solid bullet screw, screw by spiral setting, can be four phase places, six phase places or eight-phase around firing mount.The perforating bullet afterbody is threaded.The characteristics of this patent are: admittedly play screw around the firing mount by spiral processing, can increase shot density, state the close perforation of superelevation, just can fill perforating bullet, in order to can, according to actual geological condition, install how many perforating bullets more.Perforating bullet is installed in to the firing mount outside, can greatly improves perforating bullet density.It is a kind of comparatively desirable perforator firing mount.Simple in structure, design ingeniously, the experiment proved that, satisfactory for result.
But still there is following technical problem in the prior art that the above-mentioned patent documentation of take is representative:
1, the perforator in existing conventional spiral cloth hole, can't realize Oil/gas Well orientating function targetedly.
2, the perforating bullet jet direction is perpendicular to the Oil/gas Well axis, fixes, and can not carry out the angle operation;
3,, for the Oil/gas Well shaked out, the conventional perforation device can not meet perforating oil gas well sand control purpose.
Summary of the invention
The present invention is intended to for the existing defect of above-mentioned prior art and deficiency, the variable perforator of firing angle for a kind of perforating oil gas well is provided, adopt the present invention, can make the jet direction of perforator there is orientating function on the one hand, on the other hand, the perforating bullet jet direction can be controlled and be had a varied angle regulatory function in a big way.
The present invention is by adopting following technical proposals to realize:
The variable perforator of firing angle for a kind of perforating oil gas well, is characterized in that: comprise modularization bullet rest device and the directed steel structure coordinated with modularization bullet rest device, in modularization bullet rest device, perforating bullet is installed;
Described modularization bullet rest device comprises bullet supporting plate, lower bullet supporting plate and two bullet holder support plates, have the shell hole for being complementary with the perforating bullet external diameter on described upper bullet supporting plate and lower bullet supporting plate, between upper bullet supporting plate and lower bullet supporting plate, rely on described bullet holder support plate to be connected and fixed, be connected with hinge and chute pin on described bullet holder support plate, also be processed with at least one calibration fixing hole on bullet holder support plate, hinge is positioned near on the bullet holder support plate of lower bullet supporting plate, the calibration fixed hole position is on the close bullet holder support plate of upper bullet supporting plate, and the chute pin is between hinge and calibration fixing hole;
Described directed steel structure comprises two orientation side's structures, retainer ring and gasket rings, and two directed side's structures are arranged in parallel, and an end of two directed side's structures all is connected with retainer ring, and the other end all is connected with gasket ring; Be processed with hinge axis hole on orientation side's structure, regulate chute and be a plurality of index holes that arcuation distributes, regulate chute between described index hole and hinge axis hole;
Described modularization bullet rest device is installed between two directed side's structures, and the hinge of modularization bullet rest device coordinates with the hinge axis hole on described orientation side structure, and the chute pin coordinates with the adjusting chute, and the calibration fixing hole coordinates with index hole.
Hinge axis hole on described orientation side structure, adjusting chute and arcuation index hole are to be the group shape to distribute, the perforating bullet perforation opposite direction in the modularization bullet rest device between two adjacent groups and adjustable.
Calibration fixing hole on described bullet holder support plate is two.
The index hole arranged on orientation side's structure is two rows.
The top of described perforating bullet is cylindric, and bottom is the rounding frustum, in the perforating bullet bottom of circular cone shape, is provided with step and stopper slot, and lower bullet supporting plate embeds in described stopper slot.
Described orientation side structure is the sheet material shape.
Described retainer ring comprises circular head, be provided with two fixed heads that are arranged in parallel on circular head, two fixed heads are vertical with head and one-body molded, be processed with pin-and-hole on two fixed heads, two fixed heads are fixed respectively at two directed side's structures through steady pin, on circular head, are provided with step.
Described gasket ring comprises circular head, is provided with two fixed heads that are arranged in parallel on circular head, and two fixed heads are vertical with head and one-body molded, on two fixed heads, is processed with pin-and-hole, and two fixed heads are fixed respectively at two directed side's structures through steady pin.
Compared with prior art, the beneficial effect that the present invention reaches shows:
1, in the present invention, the modularization bullet rest device adopted, adopted the bullet rest device structure of supporting plate type to hold up and entangle firm perforating bullet, changed original fixed form of perforating bullet, be conducive to adjust the inclination angle fracture reservoir that the perforating bullet transmit direction is aimed at Oil/gas Well on high steep structural belt, solved the separate modular locking and support problem of perforating bullet.
Be connected with hinge and chute pin on bullet holder support plate, be convenient to coordinate with directed steel structure, hinge is for directed steel structure, realizing rotating function, and the chute pin realizes swinging positioning function for coordinating with directed steel structure;
Also be processed with at least one calibration fixing hole on bullet holder support plate, the calibration fixing hole, for after swinging to desired location, is fixed the holder of modularization bullet.
2,, in the present invention, the directed steel structure adopted, adopt the form of structure of directed side's structure, retainer ring and gasket ring, structure is comparatively simple, by retainer ring and gasket ring, two orientation side's structures are fixed, thereby, for coordinating with modularization bullet rest device, solved the orientation problem of perforator jet direction.
3, in the present invention, modularization bullet rest device is installed between two directed side's structures, the hinge of modularization bullet rest device coordinates with the hinge axis hole on described orientation side structure, the chute pin coordinates with the adjusting chute, and the calibration fixing hole coordinates with index hole, such form of structure, when with after the holder of modularization bullet coordinates, on the one hand can make the jet direction of perforator have orientating function, on the other hand, the perforating bullet jet direction can be controlled and be had a varied angle regulatory function in a big way.
4, in the present invention, hinge axis hole on orientation side's structure, adjusting chute and arcuation index hole are to be the group shape to distribute, perforating bullet perforation opposite direction in modularization bullet rest device between two adjacent groups and adjustable, such form of structure, be convenient on same directed steel structure, realize that the installation of the modularization bullet rest device that many groups and direction can be adjusted arbitrarily fixes, thereby make the jet direction of the perforating bullet in modularization bullet rest device can on same directed steel structure, realize the adjusting of multi-angle.
5, in the present invention, the calibration fixing hole on bullet holder support plate is two, and such form of structure is convenient to modularization bullet rest device and makes trickleer angle adjustment and fixing in the angular range of 0-180 degree.
6, in the present invention, the index hole arranged on directed side's structure is two rows, and such form of structure is convenient to modularization bullet rest device and makes trickleer angle adjustment and fixing in the angular range of 0-180 degree.
7, in the present invention, the top of perforating bullet is cylindric, bottom is the rounding frustum, perforating bullet bottom at circular cone shape is provided with step and stopper slot, lower bullet supporting plate embeds in described stopper slot, so specific form of structure, be convenient to coordinate with modularization bullet rest device, thereby make the fixing convenient, firm of perforating bullet.
The accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is the overall structure schematic diagram of perforating oil gas well with the variable perforator of firing angle;
The front view that Fig. 2 is modularization bullet rest device;
The top view that Fig. 3 is modularization bullet rest device;
The right view that Fig. 4 is modularization bullet rest device;
The structural representation that Fig. 5 is upper bullet supporting plate;
The structural representation that Fig. 6 is lower bullet supporting plate;
The structural representation that Fig. 7 is bullet holder support plate;
The structural representation that Fig. 8 is hinge;
The structural representation that Fig. 9 is the chute pin;
The structural representation that Figure 10 is perforating bullet;
The structural representation that Figure 11 is directed steel structure;
The structural representation that Figure 12 is directed side's structure;
The front view that Figure 13 is retainer ring;
The top view that Figure 14 is retainer ring;
The right view that Figure 15 is retainer ring;
The front view that Figure 16 is gasket ring;
The top view that Figure 17 is gasket ring;
The right view that Figure 18 is gasket ring.
Mark in figure:
1, retainer ring, 2, modularization bullet rest device, 3, directed steel structure, 4, hinge, 5, steady pin, 6, gasket ring, 7, perforating bullet, 8, jump ring, 9, lower bullet supporting plate, 10, bullet holder support plate, 11, the chute pin, 12, the calibration fixing hole, 13, upper bullet supporting plate, 14, square groove, 15, horizontal edge, 16, circular arc, 17, shell hole, 18, vertical edge, 19, upper horizontal edge, 20, lower horizontal edge, 21, middle vertical edge, 22, upper vertical edge, 23, lower vertical edge, 24, the counter sink of bearing pin is installed, 25, the counter sink of chute pin is installed, 26, the upper face of cylinder, 27, the lower face of cylinder, 28, screw thread, 29, the face of cylinder, 30, the conical surface, 31, step, 32, stopper slot, 33, orientation side's structure, 34, side's structure counter sink, 35, regulate chute, 36, hinge axis hole, 37, index hole, 38, head, 39, fixed head, 40, pin-and-hole, 41, groove.
The specific embodiment
As the present invention's one better embodiment, the invention discloses the variable perforator of firing angle for a kind of perforating oil gas well, comprise modularization bullet rest device 2 and the directed steel structure 3 coordinated with modularization bullet rest device 2, in modularization bullet rest device 2, perforating bullet 7 is installed;
Modularization bullet rest device 2 comprises bullet supporting plate 13, lower bullet supporting plate 9 and two bullet holder support plates 10, have the shell hole 17 for being complementary with perforating bullet 7 external diameters on upper bullet supporting plate 13 and lower bullet supporting plate 9, between upper bullet supporting plate 13 and lower bullet supporting plate 9, rely on bullet holder support plate 10 to be connected and fixed, be connected with hinge 4 and chute pin 11 on bullet holder support plate 10, also be processed with at least one calibration fixing hole 12 on bullet holder support plate 10, hinge 4 is positioned near on the bullet holder support plate 10 of lower bullet supporting plate 9, calibration fixing hole 12 is positioned near on the bullet holder support plate 10 of upper bullet supporting plate 13, chute pin 11 is between hinge 4 and calibration fixing hole 12,
As another better embodiment of the present invention, on the basis of embodiment 1, hinge axis hole 36 on orientation side's structure 33, adjusting chute 35 and arcuation index hole 37 are to be the group shape to distribute, the perforating bullet 7 perforation opposite directions and adjustable in the modularization bullet rest device 2 between two adjacent groups.The index hole 37 arranged on orientation side's structure 33 is two rows.Orientation side's structure 33 is the sheet material shape.
As preferred forms of the present invention, on the basis of embodiment 2, the calibration fixing hole 12 on bullet holder support plate 10 is two.The top of perforating bullet 7 is cylindric, and bottom is the rounding frustum, in perforating bullet 7 bottoms of circular cone shape, is provided with step 31 and stopper slot 32, and lower bullet supporting plate 9 embeds in stopper slot 32.
With reference to Figure of description 1-4 and 11, perforating oil gas well with the concrete application example of the variable perforator of firing angle is:
1. the parallel framework orientating function of directed steel structure 3, two ends employing steady pin 5 is fastened on retainer ring 1 and makes directed side's structure 33 parallel, realize 0 °, phase place, 180 ° of orientations, at the reasonable hole of two directed steel structures 3 mil, be set up design hinge axis hole 36, arcuation index hole 37 and regulate chute 35.2. establish modularization bullet rest device 2 according to perforating bullet 7 dimensional requirement structures, on steel plate, suitable two blocks of bullet supporting plates and the two bullet holder supports of cutting, play supporting plate by the both sides support welding together; Attack chute pin 11 holes, hinge axis hole 36 and calibration fixing hole 12 on the support of both sides; Chute pin 11, hinge 4 are welded on the support of both sides.3. design stopper slot 32 on perforating bullet 7, spacing in modularization bullet rest device 2 by it with jump ring 8.4. directed side's structure 33 and 2 combinations of modularization bullet rest device, by the hinge axis hole 36 on orientation side's structure 33 and the hinge 4 on modularization bullet rest device 2, locate, chute pin 11 inserts regulates chute 35, the screws tighten of screwing on hinge 4, the out of phase of adjustment module bullet holder is also fixing, realizes single perforating bullet 7 angle orientations; 5. retainer ring 1, gasket ring 6 are fixed to moulding with directed side's structure 33 by steady pin 5.
Modularization bullet rest device 2 connects as follows: hinge 4, chute pin 11 packed in the circular hole of both sides bullet holder support plate 10, and firm welding; Lower bullet supporting plate 9 and upper bullet supporting plate 13 snap in two bullet holder support plate 10 square grooves 14, firm welding; Perforating bullet 7 is inserted in bullet supporting plate 13 and lower bullet supporting plate 9, with jump ring 8, snap in the stopper slot 32 of perforating bullet 7 and block firm.
Perforating oil gas well connects as follows with the variable perforator of firing angle: in the hinge axis hole 36 that the hinge 4 of modularization bullet rest device 2 and chute pin 11 is placed in to directed side's structure 33 and adjusting chute 35, at hinge 4 bolt of screwing on; According to the angle requirement, stir the chute pin 11 of modularization bullet holder, and angle overlaps with arcuation index hole 37 on directed side's structure 33, the spacer pin of screwing on; Retainer ring 1, gasket ring 6 are snapped in location side's structure to two steady pins 5 of respectively screwing on.
With reference to Figure of description 5-10, the concrete application example of modularization bullet rest device 2 is:
As shown in Figure 5, upper bullet supporting plate 13 is to adopt the cutting of 32# steel plate to form, and has symmetry.Cut out vertical edge 18, horizontal edge 15 on square, on the square steel plate, the cutting fillet forms circular arc 16, cuts out a shell hole 17 in the square middle position, cuts out square groove 14 on horizontal edge 15.
As shown in Figure 6, lower bullet supporting plate 9 is to adopt the cutting of 32# steel plate to form, and has symmetry.Cut out horizontal edge 15 on square, on the square steel plate, the cutting fillet forms circular arc 16, cuts out a shell hole 17 in the square middle position, cuts out square groove 14 on horizontal edge 15.
As shown in Figure 7, bullet holder support plate 10 adopts the cutting of 32# steel plate to form.Horizontal edge 19, middle vertical edge 21, lower horizontal edge 20 on cutting out on square, then cut out vertical edge 22, lower vertical edge 23, and two calibration fixing holes 12 of cutting on the square steel plate cut out counter sink 24 and a counter sink that chute pin 11 is installed that bearing pin is installed.
As shown in Figure 8, hinge 4 adopts the turning of 45# round steel to form.The face of cylinder 26,Xia face of cylinder 27 on round steel is got on the bus out, on axis of symmetry, tap out 28.
As shown in Figure 9, hinge 4 adopts the turning of 45# round steel to form.The face of cylinder 26,Xia face of cylinder 27 on round steel is got on the bus out.
As shown in figure 10, perforating bullet 7 adopts the turning of 45# round steel to form.The ，Che Chu face of cylinder, flat two ends 29 on round steel, car goes out the conical surface 30, at the conical surface 30 get on the bus out step 31 and stopper slot 32.
Modularization bullet rest device 2 connects as follows: hinge 4, chute pin 11 packed in the circular hole of both sides bullet holder support plate 10, and firm welding; Lower bullet supporting plate 9 and upper bullet supporting plate 13 snap in two bullet holder support plate 10 square grooves 14, firm welding; Perforating bullet 7 is inserted in bullet supporting plate 13 and lower bullet supporting plate 9, with jump ring 8, snap in the stopper slot 32 of perforating bullet 7 and block firm.
With reference to Figure of description 11-18, the concrete application example of directed steel structure 3 is:
As shown in figure 11, the structural concept that directed steel structure 3 adopts directed side's structure 33, retainer ring 1, gasket ring 6, steady pin 5 to combine, realize variable firing angle perforation function.
As shown in figure 12, directed side's structure 33 is special with two block of material 32# steel plates, respectively attacks two square structure counter sinks 34 on two ends, cut out adjusting chute 35, cut out hinge axis hole 36, the index hole 37 of tapping two row's arcuations, regulate chute 35, hinge axis hole 36 and index hole 37 and jointly realize the varied angle function; Directed two ends adopt screw fastening on retainer ring 1, to make directed side's structure 33 parallel, realize 0 °, phase place, 180 ° of orientations.
As shown in Figure 13-15, it is cylindrical that retainer ring 1 adopts 45# steel car to go out, and then mill out step 31, then mill out groove 41, finally on two fixed heads 39, gets out respectively two pin-and-holes 40.
As shown in Figure 16-18, it is cylindrical that gasket ring 6 adopts 45# steel car to go out, and then mill out step, then mill out groove 41, finally at two fixed heads 39, gets out respectively two pin-and-holes 40.
Claims (8)
1. the variable perforator of firing angle for a perforating oil gas well, it is characterized in that: comprise modularization bullet rest device (2) and the directed steel structure (3) coordinated with modularization bullet rest device (2), perforating bullet (7) is installed in modularization bullet rest device (2), described modularization bullet rest device (2) comprises bullet supporting plate (13), lower bullet supporting plate (9) and two bullet holder support plates (10), have the shell hole (17) for being complementary with perforating bullet (7) external diameter on described upper bullet supporting plate (13) and lower bullet supporting plate (9), between upper bullet supporting plate (13) and lower bullet supporting plate (9), rely on described bullet holder support plate (10) to be connected and fixed, be connected with hinge (4) and chute pin (11) on described bullet holder support plate (10), also be processed with at least one calibration fixing hole (12) on bullet holder support plate (10), hinge (4) is positioned near on the bullet holder support plate (10) of lower bullet supporting plate (9), calibration fixing hole (12) is positioned near on the bullet holder support plate (10) of upper bullet supporting plate (13), chute pin (11) is positioned between hinge (4) and calibration fixing hole (12), described directed steel structure (3) comprises two orientation side's structures (33), retainer ring (1) and gasket ring (6), two directed side's structures (33) are arranged in parallel, one end of two directed side's structures (33) all is connected with retainer ring (1), and the other end all is connected with gasket ring (6), be processed with hinge axis hole (36) on orientation side's structure (33), regulate chute (35) and be a plurality of index holes (37) that arcuation distributes, regulate chute (35) and be positioned between described index hole (37) and hinge axis hole (36), described modularization bullet rest device (2) is installed between two directed side's structures (33), the hinge (4) of modularization bullet rest device (2) coordinates with the hinge axis hole (36) on described orientation side structure (33), chute pin (11) coordinates with adjusting chute (35), and calibration fixing hole (12) coordinates with index hole (37).
2. the variable perforator of firing angle for perforating oil gas well according to claim 1, it is characterized in that: the hinge axis hole (36) on described orientation side structure (33), adjusting chute (35) and arcuation index hole (37) are to be the group shape to distribute, perforating bullet (7) the perforation opposite direction and adjustable in the modularization bullet rest device (2) between two adjacent groups.
3. the variable perforator of firing angle for perforating oil gas well according to claim 1 and 2, it is characterized in that: the calibration fixing hole (12) on described bullet holder support plate (10) is two.
4. the variable perforator of firing angle for perforating oil gas well according to claim 3, is characterized in that: at the upper index hole (37) arranged of orientation side's structure (33), be two rows.
5. the variable perforator of firing angle for perforating oil gas well according to claim 1, it is characterized in that: the top of described perforating bullet (7) is cylindric, bottom is the rounding frustum, perforating bullet (7) bottom at circular cone shape is provided with step (31) and stopper slot (32), and lower bullet supporting plate (9) embeds in described stopper slot (32).
6. the variable perforator of firing angle for perforating oil gas well according to claim 1, it is characterized in that: described orientation side structure (33) is the sheet material shape.
7. the variable perforator of firing angle for perforating oil gas well according to claim 1, it is characterized in that: described retainer ring (1) comprises circular head (38), be provided with two fixed heads that are arranged in parallel (39) on circular head (38), two fixed heads (39) are vertical and one-body molded with head (38), be processed with pin-and-hole (40) on two fixed heads (39), two fixed heads (39) are fixing respectively at two directed side's structures (33) through steady pin (5), on circular head (38), are provided with step.
8. the variable perforator of firing angle for perforating oil gas well according to claim 1, it is characterized in that: described gasket ring (6) comprises circular head (38), be provided with two fixed heads that are arranged in parallel (39) on circular head (38), two fixed heads (39) are vertical and one-body molded with head (38), be processed with pin-and-hole (40) on two fixed heads (39), two fixed heads (39) are fixing respectively at two directed side's structures (33) through steady pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448292.0A CN103485749B (en) | 2013-09-27 | 2013-09-27 | The variable perforator of perforating oil gas well firing angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448292.0A CN103485749B (en) | 2013-09-27 | 2013-09-27 | The variable perforator of perforating oil gas well firing angle |
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| CN103485749A true CN103485749A (en) | 2014-01-01 |
| CN103485749B CN103485749B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310448292.0A Active CN103485749B (en) | 2013-09-27 | 2013-09-27 | The variable perforator of perforating oil gas well firing angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781503A (en) * | 2016-03-15 | 2016-07-20 | 西安物华巨能爆破器材有限责任公司 | Perforator capable of adjusting perforating angle fast |
| CN117052359A (en) * | 2023-09-18 | 2023-11-14 | 宁波宇恒能源科技有限公司 | Fine setting location perforator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701964A (en) * | 1994-09-22 | 1997-12-30 | Halliburton Energy Services, Inc. | Perforating charge carrier assembly and method |
| CN2483505Y (en) * | 2001-05-28 | 2002-03-27 | 大庆市让胡路区华采机械加工厂 | Metal perforating frame used in oil-field |
| US7740059B1 (en) * | 2008-09-09 | 2010-06-22 | Spencer William A | Well casing perforator |
| CN102155194A (en) * | 2011-02-01 | 2011-08-17 | 西北大学 | Laser perforation device in oil well |
| CN203499656U (en) * | 2013-09-27 | 2014-03-26 | 中国石油集团川庆钻探工程有限公司 | Variable firing angle perforator |
-
2013
- 2013-09-27 CN CN201310448292.0A patent/CN103485749B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701964A (en) * | 1994-09-22 | 1997-12-30 | Halliburton Energy Services, Inc. | Perforating charge carrier assembly and method |
| CN2483505Y (en) * | 2001-05-28 | 2002-03-27 | 大庆市让胡路区华采机械加工厂 | Metal perforating frame used in oil-field |
| US7740059B1 (en) * | 2008-09-09 | 2010-06-22 | Spencer William A | Well casing perforator |
| CN102155194A (en) * | 2011-02-01 | 2011-08-17 | 西北大学 | Laser perforation device in oil well |
| CN203499656U (en) * | 2013-09-27 | 2014-03-26 | 中国石油集团川庆钻探工程有限公司 | Variable firing angle perforator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781503A (en) * | 2016-03-15 | 2016-07-20 | 西安物华巨能爆破器材有限责任公司 | Perforator capable of adjusting perforating angle fast |
| CN117052359A (en) * | 2023-09-18 | 2023-11-14 | 宁波宇恒能源科技有限公司 | Fine setting location perforator |
| CN117052359B (en) * | 2023-09-18 | 2024-03-19 | 宁波宇恒能源科技有限公司 | Fine setting location perforator |
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| Publication number | Publication date |
|---|---|
| CN103485749B (en) | 2016-03-16 |
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