CN201443301U - Novel drilling tool of petroleum horizontal multilateral well - Google Patents
Novel drilling tool of petroleum horizontal multilateral well Download PDFInfo
- Publication number
- CN201443301U CN201443301U CN2009200152738U CN200920015273U CN201443301U CN 201443301 U CN201443301 U CN 201443301U CN 2009200152738 U CN2009200152738 U CN 2009200152738U CN 200920015273 U CN200920015273 U CN 200920015273U CN 201443301 U CN201443301 U CN 201443301U
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Abstract
The utility model relates to a petroleum downhole drilling equipment, in particular to a novel drilling tool of a petroleum horizontal multilateral well, which can complete the hole opening of the wall of a steel sleeve, a cement layer and a rock layer by one-time downhole operation, an actuating mechanism is divided into three layers of the inner layer, the middle layer and the outer layer and comprises a drill tool for drilling the wall of the steel sleeve and a guider used for hole opening of the cement layer and the rock layer, the two are driven by a positioning hydraulic cylinder for reciprocating motion, thereby completing the horizontal drilling of the wall of the steel sleeve, the cement layer and the rock layer by one-time downhole operation, and greatly improving the downhole horizontal hole-forming efficiency; a drill bit in the drill tool is a flexible drill bit, and the feed direction of a feed hydraulic cylinder is the axial direction of a housing of the actuating mechanism, thereby reducing the occupied space of the drill tool and reducing the volume of the actuating mechanism; and a power source provides power for the actuating mechanism through an oil pipe, the sealing between the oil pipe and a sealing and connecting part is good, and the special sealing for a motor, batteries and electric wires is unnecessary. The novel drilling tool of the petroleum horizontal multilateral well has simple structure, convenient operation and low cost.
Description
Technical field
The utility model relates to rig under the oil well, the specifically a kind of nonpetroleum horizontal branch well drilling tool that can finish steel bushing tube wall and cement and lithosphere perforate by once going into the well.
Background technology
In order to satisfy the requirement of process for petroleum recovery, need be on the down-hole casing wall, the different depth place lateral aperture that spuds in.During perforate, need to hole on the steel bushing tube wall with drill bit earlier, and then utilize high pressure nozzle on cement layer and lithosphere, to spray perforate.At present, existing hole opening technology is the fixed-site guider of elder generation in required boring, and next cover drilling tool is holed on the steel bushing wall earlier then, will carry on the drilling tool after the boring, high pressure nozzle is gone into the well to perforates such as cement and rocks again.Because the perforate degree of depth in oil field can reach about 3500m, so, utilizes two cover instruments to carry out perforate, will expend a large amount of time, increase the oil field working strength of workers, cost is improved, and complex process is loaded down with trivial details, has brought inconvenience.
The utility model content
In order to solve the problem that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of horizontal branch well of nonpetroleum efficiently drilling tool, and this drilling tool just can be finished the perforate of steel bushing tube wall and cement and lithosphere by once going into the well.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises executing agency and the power source that is tightly connected with it, wherein
Described executing agency comprises guider, drilling tool, drilling tool package casing and the positioning hydraulic cylinders that is contained in executing agency's shell, one end of drilling tool package casing is installed on the positioning hydraulic cylinders, the other end is provided with guider, drilling tool is contained in the drilling tool package casing, with its interlock, the drill bit of described drilling tool is a flexible drill bits; The drilling tool package casing can move back and forth in executing agency's shell under the driving of positioning hydraulic cylinders;
Described power source comprises hydraulic pump, direct current generator, fuel tank and the battery that is contained in the power source enclosure, battery is fixed on the bottom in the power source enclosure, one end of direct current generator is installed in the top of battery by motor mount, the other end is connected with hydraulic pump, and fuel tank is between direct current generator and battery; Described hydraulic pump provides power by oil pipe to executing agency.
Wherein: described executing agency is connected with power source by seal connector; Described positioning hydraulic cylinders is fixed on the seal connector, and the capping that has drilling tool is installed on the positioning hydraulic cylinders, and an end of drilling tool package casing is connected with closure threads, and the other end is provided with guider; Be connected with conveying steel pipe on executing agency's shell; One end of described hydraulic pump is fixed on the seal connector by hydraulic pump mount, and the other end is connected with direct current generator by shaft coupling; Described drilling tool comprises drill bit, universal joint, hydraulic motor and feeding hydrocylinder, and feeding hydrocylinder is installed in the capping, and hydraulic motor is fixed on the feeding hydrocylinder, and drill bit is connected with hydraulic motor by a plurality of universal joints; Feeding hydrocylinder is along the axial feed of executing agency's shell.
The utility model person's advantage and good effect are:
1. comprised in the executing agency of the present utility model that the drilling tool that the steel bushing tube wall is holed reaches the guider to cement layer and rock perforate, both drive by positioning hydraulic cylinders and move back and forth, making once goes into the well can finish the horizontal drilling of steel bushing tube wall and cement and lithosphere, has improved the efficient of down-hole horizontal perforate greatly.
2. that executing agency of the present utility model is divided into is interior, in, outer three layers, can realize once going into the well finish horizontal bore in, device structure is simple, and is easy to operate, cost is low.
3. the drill bit in the utility model drilling tool is a flexible drill bits, and the direction of feed of feeding hydrocylinder is the axial of executing agency's shell, has reduced taking up room of drilling tool, has dwindled the volume of executing agency.
4. power source of the present utility model provides power by oil pipe to executing agency, and good seal between oil pipe and the seal connector does not need specially motor and battery and electric wire are sealed.
5. the utility model can be worked than the depths in the down-hole, can carry the energy at 3500m degree of depth place, down-hole and carry out horizontal bore work.
6. power source component packages such as direct current generator of the present utility model, fuel tank, battery, hydraulic pump are in power source enclosure, and are waterproof, grease proofing.
Description of drawings
Fig. 1 is an inner body structural representation of the present utility model;
Fig. 2 is the structural representation of drilling tool among Fig. 1;
Fig. 3 is a hydraulic circuit diagram of the present utility model;
Wherein: 1 is conveying steel pipe, and 2 is executing agency's shell, and 3 is guider, and 4 is drilling tool, 5 is the drilling tool package casing, and 6 is hydraulic motor, and 7 is feeding hydrocylinder, and 8 are capping, 9 is positioning hydraulic cylinders, and 10 is seal connector, and 11 is hydraulic pump mount, 12 is hydraulic pump, and 13 is shaft coupling, and 14 is direct current generator, 15 is power source enclosure, and 16 is fuel tank, and 17 is motor mount, 18 is battery, and 19 is drill bit, and 20 is universal joint.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises executing agency and power source, and executing agency is connected with power source by seal connector 10.
Executing agency comprises executing agency's shell 2, guider 3, drilling tool 4, drilling tool package casing 5 and positioning hydraulic cylinders 9, and executing agency is divided into three layers, and outermost layer is the executing agency's shell 2 that is tightly connected by seal connector 10 with power source; The intermediate layer be positioned at executing agency's shell 2 comprise guider 3, drilling tool package casing 5, positioning hydraulic cylinders 9 and capping 8, positioning hydraulic cylinders 9 is fixed on the seal connector 10, capping 8 is fixed in the output of positioning hydraulic cylinders 9, one end of drilling tool package casing 5 is threaded with capping 8, the other end is provided with guider 3, guider 3 is two bend pipes of upper and lower setting, is connected with conveying steel pipe 1 on executing agency's shell 2, and conveying steel pipe 1 is by the last bend pipe guide-localization of guider 3; Innermost layer is to be contained in the drilling tool package casing 5, to be fixed in the drilling tool 4 in the capping 8.Guider 3, drilling tool 4 and drilling tool package casing 5 can move back and forth up and down in executing agency's shell 2 under the driving of positioning hydraulic cylinders 9.
Power source comprises power source enclosure 15 and ccontaining within it hydraulic pump mount 11, hydraulic pump 12, shaft coupling 13, direct current generator 14, fuel tank 16, motor mount 17 and battery 18, power source enclosure 15 is tightly connected by seal connector 10 and executing agency's shell 2, battery 18 is by being bolted to the bottom in the power source enclosure 15, one end of direct current generator 14 is with after motor mount 17 is threaded, be fixed in the top of battery 18 again, direct current generator 14 is electrically connected with battery 18; Hydraulic pump mount 11 is by on the seal connector 10 that is bolted to power source enclosure 15 tops, hydraulic pump 12 is fixedly mounted on the hydraulic pump mount 11, the other end of direct current generator 14 is connected with hydraulic pump 12 by shaft coupling 13, and fuel tank 16 is between direct current generator 14 and battery 18; Hydraulic pump 12 is connected with fuel tank 16 by oil pipe, and hydraulic pump 12 is connected with positioning hydraulic cylinders 9, hydraulic motor 6 and feeding hydrocylinder 7 in the executing agency respectively by oil pipe again; Between oil pipe and the seal connector 10 also for being tightly connected.
As shown in Figure 2, drilling tool 4 comprises drill bit 19, universal joint 20, hydraulic motor 6 and feeding hydrocylinder 7, feeding hydrocylinder 7 is installed in the capping 8, hydraulic motor 6 is fixed on the feeding hydrocylinder 7, drill bit 19 is connected with hydraulic motor 6 by a plurality of universal joints 20, the axle that is drill bit 19 is the flexible shaft that is formed by connecting by universal joint 20, makes drill bit become flexible drill bits; Feeding hydrocylinder 7 is along the axial feed of executing agency's shell 2, the output of hydraulic motor 6 also is the axial of executing agency's shell 2, hydraulic motor 6, drill bit 19 and universal joint 20 are along with feeding hydrocylinder 7 common feedings, and drill bit 19 rotates under the driving of hydraulic motor 6.
Operating principle of the present utility model is:
Drilling tool is delivered to the down-hole by conveying steel pipe 1 and wanted to locate behind the position of perforate aboveground, positioning hydraulic cylinders 9 is worked, is moved upward, driving drilling tool package casing 5 and drilling tool 4 moves upward, make the drill bit targeting port of 3 times bend pipes of guider be positioned at the horizontal bore place, positioning hydraulic cylinders 9 quits work; Then, hydraulic motor 6 work begin to rotate, feeding hydrocylinder 7 is also started working simultaneously, promote hydraulic motor 6 and drill bit 19 upwards feedings, the flexible drill bits original state is perpendicular to lateral aperture, in the feeding process of feeding hydrocylinder 7, flexible drill bits penetrates, arrives casing wall horizontal bore place along the following bend pipe of guider 3, and casing wall is carried out horizontal bore.After drill bit 19 bored saturating casing wall, feeding hydrocylinder 7 reverse operations drove hydraulic motor 6 and drill bit 19 and reset.Positioning hydraulic cylinders 9 moves downward, the guider 3 that drives drilling tool package casing 5 and top thereof moves downward, when the high pressure nozzle targeting port of bend pipe on the guider 3 is aimed at the horizontal bore place, positioning hydraulic cylinders 9 quits work, and high pressure nozzle passes guider 3, utilizes water under high pressure to continue rock and earth horizontal bore.After perforate finishes, reorientate and begin to work next time.
As shown in Figure 3, the power of the utility model executing agency is provided by hydraulic system (hydraulic system of the present utility model is a prior art) by power source, and its principle is:
Direct current generator 14 work, drive hydraulic pump 12 and give executing agency's fuel feeding, oil circuit is divided into three the tunnel: the first via arrives positioning hydraulic cylinders 9 through one way valve, reversal valve and reducing valve, be used for providing power to positioning hydraulic cylinders 9, driving drilling tool package casing 5 and drilling tool 4 move up and down and provide setting movement to guider 3; The second the tunnel through one way valve, reversal valve, reducing valve and flow speed control valve arrival feeding hydrocylinder 7, is used for providing power to feeding hydrocylinder 7, promotes hydraulic motor 6 and drill bit 19 feedings; Third Road arrives hydraulic motor 6 through reversal valve, is used for providing power to hydraulic motor 6, drives drill bit 19 rotations; Be connected to accumulator on the hydraulic motor 6, be used for replenishing flow, avoid underfed.
Claims (6)
1. a nonpetroleum horizontal branch well drilling tool is characterized in that: comprise executing agency and the power source that is tightly connected with it, wherein
Described executing agency comprises guider (3), drilling tool (4), drilling tool package casing (5) and the positioning hydraulic cylinders (9) that is contained in executing agency's shell (2), one end of drilling tool package casing (5) is installed on the positioning hydraulic cylinders (9), the other end is provided with guider (3), drilling tool (4) is contained in the drilling tool package casing (5), with its interlock, the drill bit of described drilling tool (4) is a flexible drill bits; Drilling tool package casing (5) can move back and forth in executing agency's shell (2) under the driving of positioning hydraulic cylinders (6);
Described power source comprises hydraulic pump (12), direct current generator (14), fuel tank (16) and the battery (18) that is contained in the power source enclosure (15), battery (18) is fixed on the bottom in the power source enclosure (15), one end of direct current generator (14) is installed in the top of battery (18) by motor mount (17), the other end is connected with hydraulic pump (12), and fuel tank (16) is positioned between direct current generator (14) and the battery (18); Described hydraulic pump (12) provides power by oil pipe to executing agency.
2. by the described nonpetroleum horizontal branch well of claim 1 drilling tool, it is characterized in that: described executing agency is connected with power source by seal connector (10).
3. by the described nonpetroleum horizontal branch well of claim 2 drilling tool, it is characterized in that: described positioning hydraulic cylinders (9) is fixed on the seal connector (10), the capping (8) that has drilling tool (4) is installed on the positioning hydraulic cylinders (9), one end of drilling tool package casing (5) is threaded with capping (8), and the other end is provided with guider (3); Be connected with conveying steel pipe (1) on executing agency's shell (2).
4. by the described nonpetroleum horizontal branch well of claim 2 drilling tool, it is characterized in that: an end of described hydraulic pump (12) is fixed on the seal connector (10) by hydraulic pump mount (11), and the other end is connected with direct current generator (14) by shaft coupling (13).
5. by the described nonpetroleum horizontal branch well of claim 1 drilling tool, it is characterized in that: described drilling tool (4) comprises drill bit (19), universal joint (20), hydraulic motor (6) and feeding hydrocylinder (7), feeding hydrocylinder (7) is installed in the capping (8), hydraulic motor (6) is fixed on the feeding hydrocylinder (7), and drill bit (19) is connected with hydraulic motor (6) by a plurality of universal joints (20).
6. by the described nonpetroleum horizontal branch well of claim 5 drilling tool, it is characterized in that: described feeding hydrocylinder (7) is along the axial feed of executing agency's shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200152738U CN201443301U (en) | 2009-07-15 | 2009-07-15 | Novel drilling tool of petroleum horizontal multilateral well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200152738U CN201443301U (en) | 2009-07-15 | 2009-07-15 | Novel drilling tool of petroleum horizontal multilateral well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443301U true CN201443301U (en) | 2010-04-28 |
Family
ID=42547977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200152738U Expired - Lifetime CN201443301U (en) | 2009-07-15 | 2009-07-15 | Novel drilling tool of petroleum horizontal multilateral well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956531B (en) * | 2009-07-15 | 2012-10-24 | 中国科学院沈阳自动化研究所 | Underground horizontal drilling combined drilling tool of oil well drilling platform |
| CN111982623A (en) * | 2020-08-14 | 2020-11-24 | 中国科学院地质与地球物理研究所 | Perforation processing system for fracturing test |
-
2009
- 2009-07-15 CN CN2009200152738U patent/CN201443301U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956531B (en) * | 2009-07-15 | 2012-10-24 | 中国科学院沈阳自动化研究所 | Underground horizontal drilling combined drilling tool of oil well drilling platform |
| CN111982623A (en) * | 2020-08-14 | 2020-11-24 | 中国科学院地质与地球物理研究所 | Perforation processing system for fracturing test |
| CN111982623B (en) * | 2020-08-14 | 2021-03-16 | 中国科学院地质与地球物理研究所 | Perforation processing system for fracturing test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100428 Effective date of abandoning: 20090715 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100428 Effective date of abandoning: 20090715 |
|
| RGAV | Abandon patent right to avoid regrant |