CN103615191A - Pumping-pressure reverse-circulation well drilling method and system - Google Patents
Pumping-pressure reverse-circulation well drilling method and system Download PDFInfo
- Publication number
- CN103615191A CN103615191A CN201310658941.XA CN201310658941A CN103615191A CN 103615191 A CN103615191 A CN 103615191A CN 201310658941 A CN201310658941 A CN 201310658941A CN 103615191 A CN103615191 A CN 103615191A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drilling fluid
- drill
- pit shaft
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to the field of machinery, in particular to a pumping-pressure reverse-circulation well drilling method and a system. The pumping-pressure reverse-circulation well drilling method comprises the steps of filling well drilling liquid into an annulus of a shaft; enabling the well drilling liquid to flow into a drill bit through a water hole of the drill bit; enabling the well drilling liquid to flow into a drill column from the drill bit and flow out of the drill column. By adopting the pumping-pressure reverse-circulation well drilling method and the system, the theoretical drilling depth can be infinitely great when the pressure resisting capacity of a well opening sealing device and a fracture pressure value of a stratum are enough.
Description
Technical field
The present invention relates to drilling machinery field, in particular to a kind of pump pressure counterflush drilling method and system.
Background technology
Along with the increase of the exploration and development difficulty of petroleum resources, drilling engineering technician is faced with all technical barriers.Drilling machinery drilling speed is low is one of key factor of restriction cost of exploration & development, and shale gas horizontal well creeps into the low Open-Hole Section that causes of drilling speed in process and is immersed in for a long time in drilling fluid, and cave-in is serious; The low drilling cost that causes of compact sandstone gas rate of penetration sharply increases, and the accelerating methods such as traditional bit type selection, drilling assembly optimization, casing programme optimization are also difficult to obtain gratifying effect.In the drilling process of high angle hole, horizontal well, extended reach well, existence because of cutting bed, cause pit shaft to purify the series of problems such as bad, landwaste repeats fragmentation, the increase of drill string frictional resistance moment of torsion, casing wear is serious, lock of tool drilling is frequent, cause drilling cost sharply to increase.
At present counterflush drilling technology mainly contains in principle pump and inhales two kinds of anti-circulation and gas lift reverse circulations, pump is inhaled the anti-swabbing action that cycles through centrifugal pump, under the effect of pressure reduction between atmospheric pressure and circulation line, set up anti-circulation, pressure reduction is limited, 200 meters of its anti-depth of round less thaies.Gas lift reverse circulation relies on double-wall drill pipe, to injecting gas in tubing string, make the certain mud density of the inside and outside formation of circulation line poor, under this pressure reduction, form anti-circulation, because being subject to the restriction of double-wall drill pipe intensity, 3500 meters of anti-depth of round less thaies, in high angle hole, horizontal well and extended reach well, drilling depth is less.
Summary of the invention
The object of the present invention is to provide a kind of pump pressure counterflush drilling method and system, to solve the above problems.
A kind of pump pressure counterflush drilling method is provided in an embodiment of the present invention, and it comprises the following steps:
In the annular space of pit shaft, input drilling fluid;
Drilling fluid enters drill bit from the hydrophthalmia of drill bit;
Drilling fluid enters drill string from drill bit, and returns out from drill string.
Further, in annular space, the drilling fluid of input pumps into pipe nipple through drilling fluid and enters annular space.
Further, the one end away from drill bit seals to pit shaft to use rotation to send drill system, for guaranteeing that annular space inner fluid does not leak.
Further, hydrophthalmia is along the mobile direction convergent of drilling fluid.
A kind of pump pressure counterflush drilling system is also provided, and it comprises drill bit, drill string, pit shaft and power set;
On pit shaft, be provided with inlet, inlet for carrying drilling fluid in pit shaft;
Drill string is hollow circular cylinder, and its one end connects drill bit, other end connection side drilling rod, and power set are used for driving drill string to rotate, and drill string is used for driving drill bit to rotate and drilling fluid refluxes;
Drill string is through pit shaft, and pit shaft is away from sealing between drill bit one end and drill string;
Drill bit is provided with hydrophthalmia, for drilling fluid, refluxes.
Further, hydrophthalmia is eight;
Four hydrophthalmias are radially evenly distributed on drill bit sidepiece along drill bit;
Four hydrophthalmias are radially evenly distributed on drill bit bottom along drill bit;
And/or,
Four sidepiece hydrophthalmias and four drill bit bottom hydrophthalmias are along drill bit shaft to staggering 45 °;
Hydrophthalmia ecto-entad dwindles gradually.
Further, pump pressure counterflush drilling system also comprise rotation send drill system, described rotation send drill system for seal shaft the one end away from drill bit, it comprises kelly bar, rotary body and overcoat;
Kelly bar is hollow cylinder, and kelly bar is through rotary body, and kelly bar one end is connected with drill string, and kelly bar is used for driving drill string to rotate and drilling fluid refluxes, and kelly bar other end connecting power device drives kelly bar to rotate by power set;
Rotary body is arranged in overcoat, can in overcoat, be rotated by kelly bar driven rotary body.
Further, rotation send drill system also to comprise slips, is arranged between kelly bar and rotary body;
And/or,
Rotation send drill system also to comprise base bearing, is arranged between rotary body and overcoat;
And/or,
Described rotation send drill system also to comprise Limit Bearing, is arranged between rotary body and overcoat, for preventing rotary body vertical tremor;
And/or,
Rotation send drill system also to comprise supporting seat, and overcoat is fixedly mounted on one end of supporting seat, and the other end of supporting seat is fixedly connected with pit shaft.
Further, pump pressure counterflush drilling system also comprises slush pump and one way valve, and one way valve one end connects pit shaft, and the other end connects slush pump, and one way valve is used for controlling liquid flow path direction.
Further, pump pressure counterflush drilling system also comprises drilling fluid pot, is used to pit shaft that drilling fluid is provided and reclaims the drilling fluid refluxing in drill string.
Pump pressure counterflush drilling system of the present invention, by input drilling fluid in pit shaft, drilling fluid enters drill bit through pit shaft, entering drill string discharges drilling fluid again, drilling liquid pressure is for overcoming the pressure loss of cyclic process, complete that pump pressure is counter to circulate, when the voltage endurance capability of well mouth sealing device and the fracture pressure value on stratum are when enough, theoretical drilling depth can be infinitely great.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to the accompanying drawing of required use in the specific embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment of the present invention pump pressure counterflush drilling system architecture schematic diagram;
Fig. 2 is that drill system structural representation is sent in embodiment of the present invention rotation;
Fig. 3 is that the embodiment of the present invention pumps into pipe nipple system;
Fig. 4 is embodiment of the present invention bit port arrangement diagram.
In figure, 1: slush pump; 2: pump into manifold of ground; 3: pump into pipe nipple system; 4: pit shaft; 5: annular space; 6: drill bit; 7: drill string; 8: kelly bar; 9: preventer flange; 10: supporting seat; 11: drill system is sent in rotation; 12: water tap; 13: gooseneck; 14: hose; 15: standpipe; 16: flow out manifold of ground; 17: sedimentation basin; 18: mud pit; 19: power set; 301: flange; 302: one way valve; 601: bit body; 602: connecting thread; 603: upper layer side hydrophthalmia; 604: lower layer side hydrophthalmia; 605: lower floor's hydrophthalmia; 1101: overcoat; 1102: snap joint; 1103: rotary body; 1104: base bearing; 1105: Limit Bearing; 1106: shockproof bearing; 1107: rotating seal component; 1108: slipper seal assembly; 1109: slips.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, will technical scheme of the present invention be carried out to clear, complete description below.Obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
The invention provides a kind of pump pressure counterflush drilling method, it comprises the following steps:
In the annular space 5 of pit shaft 4, pump into drilling fluid;
Drilling fluid enters drill bit 6 from the hydrophthalmia of drill bit 6;
Drilling fluid enters drill string 7 from drill bit 6, and returns out from drill string 7.
Operating principle of the present invention is by ground slush pump 1, to annular space 5, to pump into the drilling fluid of certain pressure, forces drilling fluid enter the hydrophthalmia of drill bit 6 and return out earth's surface on drill string 7 inside, thereby completes circulation.
The drilling fluid of drill string 7 interior discharges precipitates or filters before being again repeated to utilize.
When drilling fluid is discharged through drill string 7, can be with a large amount of landwaste, if just do not continue to use through precipitation or filtration, may damage well mouth sealing device, in the annular space 5 of pit shaft 4 or the hydrophthalmia place of drill bit 6 result in blockage, increase cyclic pressure dissipation, even machine is caused to very large destruction, thereby affect normal drilling well work.
Further, the drilling fluid of annular space 5 interior inputs pumps into pipe nipple system 3 through drilling fluid and enters annular space 5.
To the drilling fluid of annular space 5 interior inputs, through drilling fluid, pump into pipe nipple system 3 and enter pit shaft 4, thereby guarantee that drilling fluid can pump into pit shaft 4, and drilling fluid in pit shaft 4 can not flow out from pit shaft 4.
Further, use rotation to send 11 pairs of pit shafts 4 of drill system to seal away from one end of drill bit 6, the drilling fluid pumping in the time of guaranteeing drill string 7 rotation does not leak.
Further, hydrophthalmia is along the mobile direction convergent of drilling fluid.
The such setting of hydrophthalmia on drill bit 6, can guarantee to return on drilling fluid resistance less, and landwaste returns on can be in time, thereby can not affect the process of drilling well.
As shown in Figure 1, based on said method, the present invention also provides a kind of pump pressure counterflush drilling system, and it comprises drill bit 6, drill string 7, pit shaft 4 and power set 19;
On pit shaft 4, be provided with inlet, inlet is used for to the interior conveying drilling fluid of pit shaft 4;
Drill string 7 is hollow circular cylinder, and its one end connects drill bit 6, other end connecting power device 19, and power set 19 are for driving drill string 7 to rotate, and drill string 7 is for driving drill bit 6 to rotate and drilling fluid backflow;
Drill string 7 is through pit shaft 4, and pit shaft 4 is away from sealing between drill bit 6 one end and drill string 7;
Drill bit 6 is provided with hydrophthalmia, for drilling fluid, refluxes.
Drill bit 6 comprises bit body 601 and connecting portion, and connecting portion is used for being fixedly connected with drill string 7, and hydrophthalmia is arranged on bit body 601.
Pump pressure counterflush drilling system is by the interior input drilling fluid of pit shaft 4, and the annular space 5 of drilling fluid between pit shaft 4 and drill string 7, enters drill bit 6 by the hydrophthalmia on drill bit 6, then enters drill string 7, afterwards by drilling fluid discharge, completes that pump pressure is counter to circulate; Pit shaft 4 arranges away from one end sealing of drill bit 6, guarantees that the drilling fluid in anti-cyclic process does not leak.
By such mode, the direction that drilling fluid is contrary with existing mode circulates, from pump, inhaled or gaslift becomes pump pressure, intensification along with the degree of depth of drilling well, by constantly drilling fluid being inputted to the interior pressure of drilling fluid in annular space 5 that improves of pit shaft 4, can overcome the pressure loss in cyclic process, complete that pump pressure is counter to circulate, theoretical drilling depth is determined by the voltage endurance capability of well mouth sealing device and the fracture pressure value on stratum, if annular space 5 can good seal away from one end of drill bit 6 and Open-Hole Section stratum have enough voltage endurance capabilities, so theoretical drilling depth is just determined by the ability of ground pump.
As shown in Figure 4, be preferred embodiment that hydrophthalmia is eight;
Four hydrophthalmias are radially evenly distributed on drill bit 6 sidepieces along drill bit 6;
Four hydrophthalmias are radially evenly distributed on drill bit 6 bottoms along drill bit 6.
Hydrophthalmia quantity can arrange at most 8 hydrophthalmias, as required each hydrophthalmia is carried out to shutoff or unlatching.When eight hydrophthalmias are installed, the sidepiece of drill bit 6 can arrange four hydrophthalmias, descending because rotating in drill bit 6 work always, so four hydrophthalmias can be not at grade, as shown in Figure 4, upper layer side hydrophthalmia 603 and lower layer side hydrophthalmia 604 are not at grade, but be radially uniformly distributed at drill bit 6, to guarantee evenly to draw the landwaste of drill bit 6 fragmentations, what the hydrophthalmia having that the hydrophthalmia not having is drawn was drawn more lacks, thereby reduced many application life of drawing; In drill bit 6 bottoms, four hydrophthalmias are set, lower floor's hydrophthalmia 605 as shown in Figure 4, it also needs to be radially uniformly distributed along drill bit 6, to guarantee the application life of each hydrophthalmia.
Preferred embodiment is, hydrophthalmia ecto-entad convergent;
And/or four sidepiece hydrophthalmias and four drill bit 6 bottom hydrophthalmias axially stagger 45 ° along drill bit 6.
Because the direct of travel of drilling fluid in hydrophthalmia is ecto-entad, so in order to facilitate flowing of drilling fluid, and the absorption of landwaste, hydrophthalmia is set to the mode that outer imperial palace is little, its ecto-entad convergent, thus can guarantee that landwaste and drilling fluid can enter hydrophthalmia fast.
Four sidepiece hydrophthalmias and four bottom hydrophthalmias axially stagger 45 ° along drill bit 6, and eight hydrophthalmias are uniformly distributed in drill bit 6 radial direction, have further guaranteed that be more or less the same the application life of each hydrophthalmia, thereby can guarantee the maximum service life (MSL) of drill bit 6.
As shown in Figure 2, pump pressure counterflush drilling system also comprises that rotation send drill system 11, rotation send drill system 11 for seal shaft 4 one end away from drill bit 6, it comprises kelly bar 8, rotary body 1103 and overcoat 1101.
Rotation send drill system 11 also to comprise slips 1109, is arranged between kelly bar 8 and rotary body 1103.
Due between kelly bar 8 and rotary body 1103 because manufacturing process problem inevitably there will be gap, and slips 1109 is set between kelly bar 8 and rotary body 1103, slips 1109 not only can seal kelly bar 8 and rotary body 1103, also owing to having eliminated gap, guaranteed not rock between kelly bar 8 and rotary body 1103, thereby extended both application life.
Rotation send drill system 11 also to comprise base bearing 1104, is arranged between rotary body 1103 and overcoat 1101;
And/or rotation send drill system 11 also to comprise Limit Bearing 1105, is arranged between rotary body 1103 and overcoat 1101, for preventing rotary body 1103 vertical tremors.
If contact between between rotary body 1103 and overcoat 1101, owing to existing and relatively rotating between rotary body 1103 and overcoat 1101, thereby have very large friction.Between rotary body 1103 and overcoat 1101, arrange after base bearing 1104, by base bearing 1104, complete and relatively rotate between the two, thereby greatly reduced friction between the two, extended the application life of rotary body 1103 and overcoat 1101.
Between rotary body 1103 and overcoat 1101, can also be provided with Limit Bearing 1105, for placing rotary body 1103 at the interior vertical tremor of overcoat 1101, thereby cause the damage of rotary body 1103 or overcoat 1101.It when vibrations are larger, can also add a plurality of Limit Bearings 1105, or can also add shockproof bearing 1106, as long as can prevent that rotary body 1103 is in the interior vibrations of overcoat 1101.
Rotation send drill system 11 also to comprise supporting seat 10, and overcoat 1101 is fixedly mounted on one end of supporting seat 10, and the other end of supporting seat 10 is fixedly connected with pit shaft 4.
Rotation is sent between drill system 11 and pit shaft 4 and is difficult for directly fixing, therefore in rotation, send and on drill system 11, be provided with supporting seat 10, overcoat 1101 is fixed on to the top of supporting seat 10 by snap joint 1102, the below of supporting seat 10 is fixed on pit shaft 4 by preventer flange 9, drill system 11 that rotation is sent that can be very stable is fixed, thereby has guaranteed the sealing of pit shaft 4.
And/or, between drill bit 6 and drill string 7 for being threaded.
Due to the existence of slips 1109, the torsion that it can transmit kelly bar 8, does not act directly on the slipper seal assembly 1108 between kelly bar 8 and rotary body 1103 torsion of kelly bar 8, thereby can not affect the application life of slipper seal assembly 1108.
Between drill bit 6 and drill string 7, adopt and be threaded, by connecting thread 602, connect, can be conducive to like this replacing when drill bit 6 damages.
It is pointed out that between drill bit 6 and drill string 7 and be not limited to and be threaded, can also be that other connect, as welding, binding etc., as long as the connection that both can be fixed together can.
Pump pressure counterflush drilling system also comprises slush pump 1 and one way valve 302, as shown in Figure 3, one way valve 302 pumps into pipe nipple system 3 with flange 301 common composition, and one way valve 302 is fixedly connected on pit shaft 4, and the other end is connected to and is pumped on manifold of ground 2 by flange 301.
One way valve 302 can allow drilling fluid can only flow into pit shaft 4 can not be from the interior outflow of pit shaft 4, and while having guaranteed well kick or blowout, pit shaft 4 inner high voltage fluids can not spray, and avoid injury personnel and damage equipment.
During to the interior conveying drilling fluid of pit shaft 4, can carry by slush pump 1.Slush pump 1 is delivered into drilling fluid in pit shaft 4 by pumping into manifold of ground 2.
Pump pressure counterflush drilling system also comprises drilling fluid pot, is used to pit shaft 4 that drilling fluid is provided and reclaims the drilling fluid refluxing in drill string 7.
When drilling fluid pot is very large, can for a pond just, the landwaste in the drilling fluid that pump pressure counterflush drilling system refluxes, in a side precipitation of drilling fluid pot, flows out at opposite side the pump pressure counterflush drilling system that enters.
When drilling fluid pot is little, drilling fluid pot can be divided into sedimentation basin 17 and mud pit 18, between sedimentation basin 17 and mud pit 18, adding filter screen filters, the drilling fluid refluxing in kelly bar 8 enters sedimentation basin 17 and precipitates, after strainer filtering, enter mud pit 18, mud pit 18 is conveyed into pit shaft 4 by slush pump 1 by drilling fluid, completes anti-cyclic process.
The course of work of whole pump pressure counterflush drilling system is:
When kelly bar 8 is covered after stroke, because of drill string 7 and joint less than kelly bar 8 sizes, kelly bar 8 and lower drilling string 7 and drill bit 6 are carried from rotary body 1103 centre bores, unload kelly bar 8, connect a drill string 7, and then kelly bar 8 is connected, rotary body 1103 centre bores are arrived in below, thereby can proceed drilling well work.
When rotation is sent the seal of drill system 11 to break down need to change, open snap joint 1102, send drill system 11 together to lift from well head rotation, can on drilling machine platform, dismantle easily and keep in repair.After maintenance is good, then send drill system 11 to transfer rotation, on snap joint 1102 fixed supporting seats 10, thereby can proceed drilling well work.
The movable sealing ability of sending drill system 11 in ground slush pump 1 ability and rotation is enough greatly time, and the theoretical drilling depth of pump pressure counterflush drilling can be without depth stop.
Pump pressure counterflush drilling system of the present invention, by the interior input drilling fluid of the annular space 5 to pit shaft 4, drilling fluid enters drill bit 6 through annular space 5, entering drill string 7 discharges drilling fluid again, drilling liquid pressure is for overcoming the pressure loss of cyclic process, complete that pump pressure is counter to circulate, when the fracture pressure value on the voltage endurance capability of well mouth sealing device and stratum is enough, theoretical drilling depth can be infinitely great.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a pump pressure counterflush drilling method, is characterized in that, comprises the following steps:
In the annular space of pit shaft, input drilling fluid;
Described drilling fluid enters described drill bit from the hydrophthalmia of drill bit;
Described drilling fluid enters drill string from described drill bit, and returns out from described drill string.
2. method according to claim 1, is characterized in that, pumps into pipe nipple enter the described annular space of ring to the drilling fluid of inputting in described annular space through drilling fluid.
3. method according to claim 1, is characterized in that, the one end away from described drill bit seals to described pit shaft to use rotation to send drill system, for guaranteeing that in described annular space, drilling fluid does not leak.
4. method according to claim 1, is characterized in that, described hydrophthalmia is along the mobile direction convergent of drilling fluid.
5. a pump pressure counterflush drilling system, is characterized in that, comprises drill bit, drill string, pit shaft and power set;
On described pit shaft, be provided with inlet, described inlet for carrying drilling fluid in described pit shaft;
Described drill string is hollow circular cylinder, and its one end connects described drill bit, and the other end connects described power set, and described power set are used for driving described drill string to rotate, and described drill string is used for driving described drill bit to rotate and drilling fluid refluxes;
Described drill string is through described pit shaft, and described pit shaft is away from sealing between described drill bit one end and described drill string;
Described drill bit is provided with hydrophthalmia, for drilling fluid, refluxes.
6. pump pressure counterflush drilling system according to claim 5, is characterized in that, described hydrophthalmia is eight;
Four described hydrophthalmias are radially evenly distributed on described drill bit sidepiece along described drill bit;
Four described hydrophthalmias are radially evenly distributed on described drill bit bottom along described drill bit;
And/or hydrophthalmia and four described hydrophthalmias in drill bits bottom are along described drill bit shaft to staggering 45 ° described in four sidepieces;
Described hydrophthalmia ecto-entad dwindles gradually.
7. pump pressure counterflush drilling system according to claim 5, is characterized in that, also comprises rotating sending drill system, described rotation to send drill system for sealing described pit shaft away from one end of described drill bit, and it comprises kelly bar, rotary body and overcoat;
Described kelly bar is hollow cylinder, described kelly bar is through described rotary body, described kelly bar one end is connected with described drill string, described kelly bar is used for driving described drill string to rotate and drilling fluid refluxes, the described kelly bar other end connects described power set, by described power set, drives described kelly bar to rotate;
Described rotary body is arranged in described overcoat, can drive described rotary body to rotate in described overcoat by described kelly bar.
8. pump pressure counterflush drilling system according to claim 7, is characterized in that, described rotation send drill system also to comprise slips, is arranged between described kelly bar and described rotary body;
And/or,
Rotation send drill system also to comprise base bearing, is arranged between described rotary body and described overcoat;
And/or,
Described rotation send drill system also to comprise Limit Bearing, is arranged between described rotary body and described overcoat, for preventing described rotary body vertical tremor;
And/or,
Rotation send drill system also to comprise supporting seat, and described overcoat is fixedly mounted on one end of described supporting seat, and the other end of described supporting seat is fixedly connected with described pit shaft.
9. pump pressure counterflush drilling system according to claim 5, is characterized in that, also comprises slush pump and one way valve, and described one way valve one end connects described pit shaft, and the other end connects described slush pump, and described one way valve is used for controlling liquid flow path direction.
10. according to the pump pressure counterflush drilling system described in claim 5-9 any one, it is characterized in that, also comprise drilling fluid pot, be used to described pit shaft that drilling fluid is provided and reclaim the drilling fluid refluxing in described drill string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658941.XA CN103615191B (en) | 2013-12-06 | 2013-12-06 | Pump pressure counterflush drilling method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658941.XA CN103615191B (en) | 2013-12-06 | 2013-12-06 | Pump pressure counterflush drilling method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615191A true CN103615191A (en) | 2014-03-05 |
| CN103615191B CN103615191B (en) | 2015-08-12 |
Family
ID=50165905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310658941.XA Expired - Fee Related CN103615191B (en) | 2013-12-06 | 2013-12-06 | Pump pressure counterflush drilling method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615191B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850660A (en) * | 2014-03-13 | 2014-06-11 | 中石化胜利建设工程有限公司 | Mud circulating method and circulating system for cast-in-place pile construction |
| CN103867149A (en) * | 2013-09-11 | 2014-06-18 | 华北石油管理局 | Circulation method of coal bed gas multi-branch horizontal well drilling media |
| CN105134114A (en) * | 2015-10-10 | 2015-12-09 | 中国石油集团川庆钻探工程有限公司 | Reverse circulation gas drilling tool combination structure |
| CN106693513A (en) * | 2017-02-08 | 2017-05-24 | 湖南省交通规划勘察设计院 | Cyclic utilization sedimentation tank suitable for drilling water and cyclic utilization method |
| CN112647848A (en) * | 2020-11-30 | 2021-04-13 | 中海石油（中国）有限公司天津分公司 | Deep well drilling process simulation experiment device and experiment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356451A (en) * | 2002-01-11 | 2002-07-03 | 华北石油管理局钻井工艺研究院 | Reverse cycle drilling method and equipment for oil well or gas well |
| CN102003140A (en) * | 2010-10-20 | 2011-04-06 | 中国地质大学（武汉） | Traversing reverse circulating drilling method of horizontal directional drilling pipeline and special drilling bit |
| CN202560133U (en) * | 2012-04-12 | 2012-11-28 | 石家庄煤矿机械有限责任公司 | Gas lifting reverse circulation drilling device |
| US20130112482A1 (en) * | 2011-11-08 | 2013-05-09 | Chevron U.S.A. Inc. | Apparatus and Process For Drilling A Borehole In A Subterranean Formation |
| CN203594354U (en) * | 2013-12-06 | 2014-05-14 | 中国石油大学 | Pump pressure reverse-circulation well drilling system |
-
2013
- 2013-12-06 CN CN201310658941.XA patent/CN103615191B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356451A (en) * | 2002-01-11 | 2002-07-03 | 华北石油管理局钻井工艺研究院 | Reverse cycle drilling method and equipment for oil well or gas well |
| CN102003140A (en) * | 2010-10-20 | 2011-04-06 | 中国地质大学（武汉） | Traversing reverse circulating drilling method of horizontal directional drilling pipeline and special drilling bit |
| US20130112482A1 (en) * | 2011-11-08 | 2013-05-09 | Chevron U.S.A. Inc. | Apparatus and Process For Drilling A Borehole In A Subterranean Formation |
| CN202560133U (en) * | 2012-04-12 | 2012-11-28 | 石家庄煤矿机械有限责任公司 | Gas lifting reverse circulation drilling device |
| CN203594354U (en) * | 2013-12-06 | 2014-05-14 | 中国石油大学 | Pump pressure reverse-circulation well drilling system |
Non-Patent Citations (1)
| Title |
|---|
| 李大用: "反循环钻探技术的应用与发展", 《探矿工程(岩土钻掘工程)》, no. 01, 25 January 1980 (1980-01-25), pages 25 - 1 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867149A (en) * | 2013-09-11 | 2014-06-18 | 华北石油管理局 | Circulation method of coal bed gas multi-branch horizontal well drilling media |
| CN103850660A (en) * | 2014-03-13 | 2014-06-11 | 中石化胜利建设工程有限公司 | Mud circulating method and circulating system for cast-in-place pile construction |
| CN105134114A (en) * | 2015-10-10 | 2015-12-09 | 中国石油集团川庆钻探工程有限公司 | Reverse circulation gas drilling tool combination structure |
| CN106693513A (en) * | 2017-02-08 | 2017-05-24 | 湖南省交通规划勘察设计院 | Cyclic utilization sedimentation tank suitable for drilling water and cyclic utilization method |
| CN112647848A (en) * | 2020-11-30 | 2021-04-13 | 中海石油（中国）有限公司天津分公司 | Deep well drilling process simulation experiment device and experiment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615191B (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203594354U (en) | Pump pressure reverse-circulation well drilling system | |
| CN103615191B (en) | Pump pressure counterflush drilling method and system | |
| US7290625B2 (en) | Reverse-circulation drilling method and system | |
| US8714253B2 (en) | Method and system for injection of viscous unweighted, low-weighted, or solids contaminated fluids downhole during oilfield injection process | |
| CN112761583B (en) | Underground hydraulic lifting in-situ sand prevention and sand removal oil extraction and gas production system and method | |
| US4271916A (en) | System for adapting top head drilling rigs for reverse circulation drilling | |
| NO337390B1 (en) | Method for pumping fluid into a wellbore and assembly for treating a site in a soil formation | |
| CN201818257U (en) | Wellbore pressure management system | |
| US6123149A (en) | Dual injection and lifting system using an electrical submersible progressive cavity pump and an electrical submersible pump | |
| CN108119100B (en) | Oil well lifting system and oil pumping method thereof | |
| CN104481432A (en) | Sand washing pipe column for low-pressure absorption well and sand washing method | |
| CN1356451A (en) | Reverse cycle drilling method and equipment for oil well or gas well | |
| US6745851B1 (en) | Methods and system for processing of drilling fluid | |
| CN107387035A (en) | Gas injection High Pressure Drain system in a kind of well | |
| CN105041241A (en) | Continuous direct cycle sand cleaning-out device for common oil pipes and technological method | |
| CN105134114A (en) | Reverse circulation gas drilling tool combination structure | |
| EP1485573B1 (en) | Gas turbine for oil lifting | |
| CN206647087U (en) | A kind of new sand-filtering pipe for petroleum | |
| CN206071508U (en) | A kind of waterpower screw rod self-loopa sand-bailing equipment | |
| US9810033B1 (en) | Subsea drilling systems and methods | |
| CN109690016A (en) | Stage cementing tool | |
| CN207905745U (en) | Sandstone geothermal well gas lift reverse circulation sand-flushing equipment | |
| CN104019030B (en) | A kind of reacting cycle liquid drives the discharge device of oil pumping screw pump | |
| CN103470221A (en) | Underbalance tubing, no-killing gas lifting, shaft pumping and pump detecting combined method | |
| CN103362466B (en) | Liquid/gas double-medium continuous circular control system, implementation method and drilling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20171206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |