CN101443527A - Steering systems for coiled tubing drilling - Google Patents
Steering systems for coiled tubing drilling Download PDFInfo
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- CN101443527A CN101443527A CNA200780017034XA CN200780017034A CN101443527A CN 101443527 A CN101443527 A CN 101443527A CN A200780017034X A CNA200780017034X A CN A200780017034XA CN 200780017034 A CN200780017034 A CN 200780017034A CN 101443527 A CN101443527 A CN 101443527A
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Abstract
A technique provides a drilling system and method in which a drilling assembly is delivered downhole on coiled tubing. The drilling assembly comprises a drill bit and a motor to rotate the drill bit for drilling of a borehole. A steerable system is used to steer the drill bit, thereby enabling formation of deviated boreholes.
Description
Technical field
The present invention relates generally to the method and system of the directed drilling (directional drilling) that is used for well, especially for the well of producing oil product.More particularly, it relates at coiled tubing (coiled tubing) but goes up the guidance system (steerable system) of operation.
Background technology
Be well known that,, make well deflection (deviate) necessity normally on vertical and the specific direction when making hole for the exploration of hydrocarbon (hydrocarbon) and production and during gas well.This just is called directed drilling.The directed drilling discharging (drainage) that for example increases certain well by the Zhi Jing (branch bore) that forms the deflection primary wellbore.This also is useful in marine environment, and wherein, because some inclined shafts (deviated well) extend out to all directions from production platform, single offshore production platform can arrive the storage of several hydrocarbon.
The directed drilling system has two classes usually: the operator scheme according to them is divided into backup drill bit (push-the-bit) system and swing drill bit (point-the-bit) system.The backup bit system is worked by the sidewall on the stratum that holds well is exerted pressure.Therefore the swing bit system is targeted to desired orientation with drill bit, causes departing from of pit shaft (wellbore) when the bottom of drill bit drilling well.
The backup bit system is known and for example authorizes U.S. Patent No. 6 to MacDonald etc. in March 27 calendar year 2001,206,108 and Weatherford/Lamb, Inc was described among the disclosed international patent application No.PCT/GB00/00822 on September 28th, 2000.But these lists of references have been described NDS, and it has a plurality of adjustable or extendible ribs or thrust block pad (pad), and they are positioned at corresponding tool collar (collar) on every side.Can by each rib or thrust block pad select to extend or be contracted in to exert pressure on the sidewall of well control drilling direction.
The swing bit system is usually based on following principle: when the axle of two reverse rotations is united by joint and is formed when not being zero angle, and, can not suppose that the speed of rotation of two axles is equal for second around the track operation of first centre rotational axis line.
Different swing bit technique are developed, and these technology have the method that realizes directed control, and this method is by realizing in desired orientation skew (offset) or swing drill bit when instrument rotates.Authorize a kind of such swing bit technique of general introduction in the U.S. Patent No. 6,092,610 of Kosmala etc. on July 25th, 2000, its whole contents is incorporated into for referencial use at this.But this patent has been described a kind of active controlled (actively controlled) that is used for directed drilling the rotation NDS, and this system has in drilling process the tool collar by drill string rotating.The axle of drill bit rotatably drives by cardan joints support and by the axle collar in the axle collar.In order to realize the controlled steering of rotary drilling-head, the axle of drill bit and axle drill bit measured with respect to the direction of tool collar keeps over the ground synchronously (geostationary) and alternatively with respect to the tool collar axioversion.In the drill string rotating process, this position is held around the rotation of biasing axle universal joint via the biasing axle by making drill string, and this rotation is opposite with axle collar direction of rotation and with same speed.The SERVO CONTROL that motor makes the biasing axle rotate with respect to tool collar and be subjected to importing from the signal of position sensing element.Necessary, as can to use brake to keep setovering axle and drill bit axis synchronous over the ground.Alternately, turbine is connected on the biasing axle providing rotation with respect to tool collar to the biasing axle, and brake is used to according to the signal input SERVO CONTROL turbine from position sensor.
But existing rotation guidance system moves on drill string and therefore inherited the operation limitation relevant with drill string.As in U.S. Patent No. 7,028, describe in 789, but it has been made and will rotate the trial that guidance system combines with coiled tubing.This list of references discloses a kind of integrated motor and guiding (steering) system that is used for coiled tubing drilling.Yet, as will be discussed below, patent No.7, this device of describing in 028,789 has several intrinsic shortcomings, and these shortcomings are overcome by instruction of the present invention.
Summary of the invention
Generally speaking, the invention provides a kind of well system and method, wherein the drilling well assembly transmits to the down-hole on coiled tubing.But the drilling well assembly comprises drill bit guidance system and motor, but this motor rotation guidance system and drill bit are to be used for the drilling well eye.But guidance system is used to pilot bit, thereby makes well to form on all directions and track.
Description of drawings
Some embodiments of the present invention will be in the back in conjunction with being described with reference to the accompanying drawings, and wherein identical reference number is indicated components identical, and:
Fig. 1 is the schematic diagram according to the drilling well assembly on coiled tubing of the embodiment of the invention;
Fig. 2 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention;
Fig. 3 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention;
Fig. 4 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention;
Fig. 5 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention;
Fig. 6 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention; And
Fig. 7 is the schematic diagram of another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention;
Fig. 8 is the schematic diagram of the another embodiment of the drilling well assembly on coiled tubing of alternate embodiments according to the present invention.
The specific embodiment
In the following description, propose a large amount of details and be used to provide the understanding of the present invention.Yet what those it will be appreciated by those skilled in the art that is, the present invention can be implemented and need not these details and a large amount of variations or the improvement that are come by described embodiment are feasible.
The present invention relates to a kind of system and method that is used for coiled tubing drilling.The bottom hole assembly (bottom hole assembly) that is used as the coiled tubing drilling assembly is controlled, so that pit shaft can be shaped along a plurality of selected tracks.But bottom hole assembly can comprise the guidance system of different size and configuration, but contains from ultra-fine guidance system to the coiled tubing drilling application that is designed to bore bigger well.Therefore, reduced traditional running cost, and the required rig (rig) of coiled tubing drilling operation have the base littler than traditional rig (footprint).
When guidance system as described below during the coiled tubing drilling during in the operation of the below of mud motor (mud motor), it can realize continuous TRAJECTORY CONTROL.Therefore the friction that this has caused level and smooth more accurate track and has reduced makes weight to drill bit shift that (weight transfer) is better, productivity ratio increases and it is longer to expand limit (step-out), because fluctuation and complications have reduced significantly.Automatically compensate because but the reaction torque from MTR in the coiled tubing is rotated guidance system, tool work face (tool face) control is well improved.
In embodiment as described below, guidance system is the rotary steering system of rotating fully.When being used for coiled tubing drilling and using, fully Xuan Zhuan aspect provide the friction that reduces and with such as U.S. Patent No. 7,028, those in 789 use the existing system of non-rotating post element to compare stronger expansion limit ability.In addition, this coiled tubing drilling system uses the modular component that can be moved, add or exchange.For example, discrete modularization bottom hole assembly element provides bigger optional flexibility and has realized and U.S. Patent No. 7,028, the complete rotary steering system that the non-modular system described in 789 is opposite.Modularization traction (tractor) system also can be incorporated in the coiled tubing drilling system, for example moves in order to accessory system and further improves the limit ability that expands.
But the rotation guidance system also has disposal ability, and this disposal ability is enough to from receiving data and transmit this data to surface system such as the such sensor of nearly drill bit (near-bit) sensor.But this disposal ability can also be used to control the guidance system of MTR below.Although data can be delayed to the transmission of face of land assembling position, but embodiment described here can easily provide from rotating the data in real time communication to landscape position of guidance system and its nearly bit sensors.Certainly, this makes that the real-time monitoring of drill-well operation is feasible.
It should be noted, but embodiments of the invention can comprise the rotation fully of all elements in the rotation guidance system.In addition, this rotary system both can be that the backup bit system also can be the swing bit system.Also have, it should be understood that term " MTR " refers to various MTR types, for example positive displacement type (positive displacement) drill motor or turbine type drill motor.
An embodiment of coiled tubing drilling system 20 is shown in Figure 1.In this embodiment, coiled tubing drilling system 20 comprises bottom hole assembly 22, and it is the form with the drilling well assembly that is transmitted by coiled tubing 24.Bottom hole assembly 22 comprises a plurality of different and separable modules 26, and these modules can be connected or separate with interchange components as required, incorporate miscellaneous part into or change the configuration of drilling well assembly 22 in addition.Module 26 can connect by various tightening technologies, these tightening technologies comprise be threaded, the use of single threaded fastener or the use of other suitable retention mechanisms.
In the embodiment show in figure 1, but the module 26 of bottom hole assembly 22 comprises guidance system 28, and in the present embodiment, but it is the rotation guidance system.But rotation guidance system 28 is complete rotary systems and is connected to drill bit 30.Motor 32, MTR for example, but drive the rotation of rotation guidance system 28 and drill bit 30 and be connected to coiled tubing 24.Other module 26 be connected to motor 32 above or below.For example, measurement while drilling (MWD) but system 34 be illustrated as the modular unit that between MTR 32 and guidance system 28, connects.
But but guidance system 28 is via receiving the controller/processor 36 of data and have data-handling capacity from guidance system sensor 38.But guidance system 28 can also comprise that pad/actuator is with backup drill bit 30.Be transferred to aboveground (uphole) from data collected, for example be used for the landscape position of further analyzing.Similarly, measurement-while-drilling system is also to aboveground transmission data.Data transfer to landscape position or can comprise mud-pulse telemetry, electromagnetism (E-mag) remote measurement, cable (wire-line) remote measurement, fiber optic remote, perhaps by other communication systems and technology by various telemetries realizations to downhole transmitted to aboveground.As an example, the measurement-while-drilling system 34 that is positioned at motor 32 belows can utilize the mud-pulse communication that relies on relative longer wavelength.Passive Power source (passive power supply) 42, for example battery can be merged in the measurement-while-drilling system, closes the exploration (survey) when making that the measurement-while-drilling system sensor is static to realize slush pump and motor.In this example, but be real-time via the communication of measurement-while-drilling system 34 to the surface from guidance system 28.Should further note, but processor 36 can also be used for from MTR 32 belows guidance system 28 being carried out control operation.
Another embodiment of coiled tubing drilling system 20 is shown in Figure 2, and wherein, but another module 26 is installed between motor 32 and the guidance system 28.In this embodiment, well logging during (LWD) but system module 44 be added in the middle of guidance system 28 and the motor 32.As an example, but measurement-while-drilling system 34 and well logging during system 44 can be positioned at motor 32 belows successively and in the middle of motor 32 and guidance system 28.Shown in the image pattern 1 like that, well logging during system 44 and measurement-while-drilling system 34 place motor 32 belows can restricting data be transferred to the speed on surface.Yet, alternative telemetry approaches, for example E-mag, optical fiber and other technologies can be used for transfer of data.
In the embodiment shown in Fig. 1 and 2, but guidance system 28 comprises complete rotary system.Yet other modules 26 that are positioned at motor 32 belows also can be complete rotary modules.For example, the combination of measurement-while-drilling system 34 or measurement-while-drilling system 34 and well logging during system 44 can be a complete rotary system as shown in arrow 46.One or more complete rotary modules provide the frictional force that reduces and the expansion limit ability of enhancing in the coiled tubing drilling operating process.In addition, this means can provide the ability that obtains rotation or azimuthal measurement result and image from LWD system 44.
As shown in Figure 3, one or more modules 26 can also be positioned at the top of motor 32.In illustrated embodiment, measurement-while-drilling system 34 is located to aboveground direction from MTR 32, promptly above MTR 32.In the embodiments of figure 3, measurement-while-drilling system 34 slides along with coiled tubing 24 but does not rotate.Measurement-while-drilling system 34 places motor 32 tops to help message transmission rate higher between the system 34 and the face of land.In addition, measurement-while-drilling system 34 can be used for exploration when slush pump and motor 32 operations.As shown, but guidance system 28 keeps rotating fully and being positioned at motor 32 tight belows.
When measurement-while-drilling system 34 is positioned at motor 32 tops, but from the data communication of guidance system 28, especially real time data communication requires transfer of data to pass MTR 32.For example, but can be communicated to measurement-while-drilling system 34 via those suitable telemetries as discussed above, to be sent to the surface from the data of guidance system 28.Various telemetry systems can be used to pass MTR transmission data potentially.Yet an embodiment uses a plurality of transceivers 48, wireless receiver/conveyer for example, as shown in Figure 4.In one embodiment of this back, respectively there is a transceiver 48 end of motor 32.But from or towards the data communication of guidance system 28 can via above motor 32 or below transceiver 48 between the remote measurement of electromagnetic wireless data communication conduct.Wireless system is a system flexibly, but it makes other modules and other devices not influence the real-time communication between the guidance system 28 and the face of land in the placement between the transceiver.Yet data can be communicated via other methods of telemetering, comprise other wireless methods, wired induction (wired inductive) method, ultrasonic method and other suitable methods of telemetering.
As shown in Figure 5, well logging during system 44 also can be positioned at the top of motor 32.Well logging during system 44 can be positioned at the top of motor 32 alone or make up with measurement-while-drilling system 34.In illustrated example, measurement-while-drilling system 34 and well logging during system 44 slide with coiled tubing 24 but do not rotate.Communication between these interchangeable modules can realize by those suitable remote sensing techniques from what has been discussed above.In addition, the communication between guidance system 28 and measurement-while-drilling system 34 and/or the well logging during system 44 can realize by the wired or wireless method of discussing as earlier paragraphs.
In other embodiments of the invention, as shown in Figure 8, module 26 can also be included in the well logging during system 44 of motor 32 belows, it is used to rotate or the measurement result/image in orientation, can also be included in the measurement-while-drilling system 34 of motor 32 tops, coiled tubing 24 belows, and be used for high data rate pass through motor 32 or alternative communication device in its vicinity (just non-mud-pulse, non-mud pulse).
According to specific drill-well operation, coiled tubing drilling system 20 may be constructed such various configurations.In addition, the use of modular member provides huge compliance and flexibility when making up suitable bottom hole assembly in for given environment and drill-well operation.The real size of each module and structure can be adjusted as needed or desired to facilitate the drill-well operation of particular type.The size of coiled tubing also can depend on environment and expect that the pit shaft that will bore changes.
Therefore, even the present invention has only some embodiment to be described in above details, those those of ordinary skill in the art can easily make multiple possible change and not depart from instruction of the present invention.Thereby these change by the scope of the invention that limits as claim included.
Claims (33)
1, a kind of pit shaft well system comprises:
Coiled tubing;
Quilt on coiled tubing is to the bottom hole assembly that is delivered to the down-hole, this bottom hole assembly has the modular construction that comprises a plurality of detachable module, but described a plurality of detachable module comprises drill bit, is used for guiding the guidance system of described drill bit, but and the motor that is used to drive described guidance system and described drill bit.
2, pit shaft well system as claimed in claim 1, wherein, but described a plurality of detachable module also comprises the measurement-while-drilling system between described motor and described guidance system.
3, pit shaft well system as claimed in claim 1, wherein, described a plurality of detachable module also comprise the well logging during system of the aboveground direction that is positioned at described motor.
4, pit shaft well system as claimed in claim 1, wherein, but described a plurality of detachable module also comprises the well logging during system between described motor and described guidance system.
5, pit shaft well system as claimed in claim 2, wherein, but described a plurality of detachable module also comprises the well logging during system between described motor and described guidance system.
6, pit shaft well system as claimed in claim 1, wherein, described a plurality of detachable module also comprise reciprocating type trailer system.
7, pit shaft well system as claimed in claim 1, wherein, described a plurality of detachable module also comprise the continous way trailer system.
8, pit shaft well system as claimed in claim 1, wherein, described a plurality of detachable module also comprise a pair of transceiver, respectively there is a described transceiver end of described motor.
9, pit shaft well system as claimed in claim 1, wherein, described guidance system is a rotary steering system fully.
10, pit shaft well system as claimed in claim 4, wherein, described well logging during system is used for obtaining rotation or azimuthal measurement result.
11, a kind of system comprises:
The drilling well assembly that coiled tubing is carried, but described drilling well assembly comprises drill bit, is used to rotate the motor of described drill bit and is positioned at the rotation guidance system of rotation fully that is used to guide described drill bit of described motor below.
12, system as claimed in claim 11 also comprises the measurement-while-drilling system of described motor below.
13, system as claimed in claim 12, wherein, described measurement-while-drilling system is complete rotary system.
14, system as claimed in claim 11 also comprises the well logging during system of described motor below.
15, system as claimed in claim 14, wherein, described well logging during system is complete rotary system.
16, system as claimed in claim 12, wherein, described measurement-while-drilling system is realized the real-time communication to the face of land.
17, system as claimed in claim 12 also comprises measurement-while-drilling system, but its above described motor and can with described fully the rotation the real-time communication of rotation guidance system.
18, system as claimed in claim 17 also comprises the well logging during system of described motor top.
19, system as claimed in claim 17, wherein, described well logging during system is used for obtaining rotation or azimuthal measurement result.
20, system as claimed in claim 11 also comprises tractor, the conveying of the drilling well assembly of carrying with auxiliary described coiled tubing.
21, a kind of method comprises:
Make up bottom hole assembly to carry out drill-well operation with a plurality of modular members;
Guidance system, drill bit and the motor of described a plurality of modular members are set, make described guidance system between described drill bit and described motor; And
On coiled tubing, transmit described bottom hole assembly to the down-hole.
22, method as claimed in claim 21 also is included in and adds other modular members between described motor and the described guidance system.
23, method as claimed in claim 22, wherein, described interpolation is included between described motor and the described guidance system adds measurement-while-drilling system.
24, method as claimed in claim 21 also is included in described motor top and adds measurement-while-drilling system, and controls the communication between described measurement-while-drilling system and the described guidance system.
25, method as claimed in claim 23, wherein, described interpolation is included in adds the well logging during system between described motor and the described guidance system.
26, method as claimed in claim 21 also is included in the described guidance system of rotation during the drilling well.
27, method as claimed in claim 21, wherein, described transmission comprises the use tractor.
28, method as claimed in claim 25, wherein, described well logging during system is used for obtaining rotation or azimuthal measurement result.
29, a kind of method comprises:
But the rotation guidance system of rotation fully is connected to drill bit; And
On coiled tubing, but described the rotation guidance system and the described drill bit of rotation fully are transported in the pit shaft.
30, method as claimed in claim 29, but also comprise the rotation guidance system top that motor is positioned at described rotation fully.
31, method as claimed in claim 30, but also comprise with rotatable measurement-while-drilling system be placed on described motor and described fully the rotation the rotation guidance system between.
32, method as claimed in claim 30, but also comprise rotatable well logging during system is placed between the rotation guidance system of described motor and described rotation fully.
33, method as claimed in claim 32, wherein, described well logging during system is used for obtaining rotation or azimuthal measurement result.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74707406P | 2006-05-11 | 2006-05-11 | |
| US60/747,074 | 2006-05-11 | ||
| US11/740,335 | 2007-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101443527A true CN101443527A (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200780017034XA Pending CN101443527A (en) | 2006-05-11 | 2007-05-09 | Steering systems for coiled tubing drilling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146053A1 (en) * | 2011-04-28 | 2012-11-01 | 中国石油天然气集团公司 | Guide device for coiled tubing |
| CN103124828A (en) * | 2010-06-18 | 2013-05-29 | 普拉德研究及开发股份有限公司 | Rotary steerable tool actuator tool face control |
| CN104499940A (en) * | 2014-11-02 | 2015-04-08 | 中国石油集团钻井工程技术研究院 | Full-rotation sense type guide tool and guide method |
| CN107605418A (en) * | 2017-10-27 | 2018-01-19 | 中国石油集团渤海钻探工程有限公司 | A kind of coiled tubing waterpower draws crawl device |
| CN111322011A (en) * | 2020-04-17 | 2020-06-23 | 长江大学 | Underground azimuth orientation method and orientation tool thereof |
| CN117988717A (en) * | 2024-04-03 | 2024-05-07 | 东营国佑石油技术有限公司 | Controllable directional drilling guiding system for petroleum exploitation |
-
2007
- 2007-05-09 CN CNA200780017034XA patent/CN101443527A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124828A (en) * | 2010-06-18 | 2013-05-29 | 普拉德研究及开发股份有限公司 | Rotary steerable tool actuator tool face control |
| CN103124828B (en) * | 2010-06-18 | 2015-11-25 | 普拉德研究及开发股份有限公司 | Rotary steerable tool actuator tool face controls |
| US9394745B2 (en) | 2010-06-18 | 2016-07-19 | Schlumberger Technology Corporation | Rotary steerable tool actuator tool face control |
| WO2012146053A1 (en) * | 2011-04-28 | 2012-11-01 | 中国石油天然气集团公司 | Guide device for coiled tubing |
| US9316069B2 (en) | 2011-04-28 | 2016-04-19 | China National Petroleum Corporation | Guide device for coiled tubing |
| EA023201B1 (en) * | 2011-04-28 | 2016-05-31 | Чайна Насьонал Петролеум Корпорейшн | Guide device for flexible pipe |
| CN104499940A (en) * | 2014-11-02 | 2015-04-08 | 中国石油集团钻井工程技术研究院 | Full-rotation sense type guide tool and guide method |
| CN104499940B (en) * | 2014-11-02 | 2017-04-05 | 中国石油集团钻井工程技术研究院 | A kind of full rotation directional type steering tool and guidance method |
| CN107605418A (en) * | 2017-10-27 | 2018-01-19 | 中国石油集团渤海钻探工程有限公司 | A kind of coiled tubing waterpower draws crawl device |
| CN111322011A (en) * | 2020-04-17 | 2020-06-23 | 长江大学 | Underground azimuth orientation method and orientation tool thereof |
| CN117988717A (en) * | 2024-04-03 | 2024-05-07 | 东营国佑石油技术有限公司 | Controllable directional drilling guiding system for petroleum exploitation |
| CN117988717B (en) * | 2024-04-03 | 2024-07-23 | 东营国佑石油技术有限公司 | Controllable directional drilling guiding system for petroleum exploitation |
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Application publication date: 20090527 |