CN114575823A - Logging-while-drilling device based on oil field underground formation imaging - Google Patents
Logging-while-drilling device based on oil field underground formation imaging Download PDFInfo
- Publication number
- CN114575823A CN114575823A CN202210268901.3A CN202210268901A CN114575823A CN 114575823 A CN114575823 A CN 114575823A CN 202210268901 A CN202210268901 A CN 202210268901A CN 114575823 A CN114575823 A CN 114575823A
- Authority
- CN
- China
- Prior art keywords
- drilling
- oil field
- logging
- oil
- bottom layer
- 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.)
- Withdrawn
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 98
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 14
- 238000003384 imaging method Methods 0.000 title claims description 7
- 230000006698 induction Effects 0.000 claims abstract description 53
- 239000003129 oil well Substances 0.000 claims abstract description 44
- 238000010586 diagram Methods 0.000 claims abstract description 40
- 230000010354 integration Effects 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000004458 analytical method Methods 0.000 claims abstract description 24
- 238000004364 calculation method Methods 0.000 claims abstract description 24
- 239000011435 rock Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004088 simulation Methods 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000012937 correction Methods 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 90
- 238000005516 engineering process Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
- E21B47/0025—Survey of boreholes or wells by visual inspection generating an image of the borehole wall using down-hole measurements, e.g. acoustic or electric
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/08—Indexing scheme for image data processing or generation, in general involving all processing steps from image acquisition to 3D model generation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geometry (AREA)
- Geophysics (AREA)
- Computer Graphics (AREA)
- Software Systems (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Architecture (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a logging-while-drilling device based on oilfield formation of underground, which relates to the technical field of logging-while-drilling, and is characterized in that a logging-while-drilling unit, an image processing unit, an analysis and calculation unit and a data integration unit are arranged, the acquisition, analysis, calculation, processing and integration of image condition information of the induction oil field bottom layer, rock stratum condition information of the inner wall of an oil well of an oil field and well depth circular motion track information are carried out in the drilling process based on hardware, a three-dimensional simulation diagram is distributed according to the underground classification condition information of the oil well and the integral condition of the oil body underground layer, and the oil body information is acquired from local to integral, so that the underground condition information is rapidly and visually researched, and convenience is provided for workers to research and efficiently exploit petroleum in the later period.
Description
Technical Field
The invention relates to the technical field of logging-while-drilling devices, in particular to a logging-while-drilling device based on oilfield formation of underground layers.
Background
In recent years, with the annual increase of global industry demand for oil, highly deviated well and horizontal well drilling in oil exploration is very active, logging while drilling technology is rapidly developed, almost all open hole cable logging projects can be performed in logging while drilling, acoustic logging while drilling technology is one of important methods of logging while drilling technology, and has the characteristic of logging while drilling, the technology is characterized in that a transmitting acoustic wave transducer arranged on a drill collar (drilling rod) is utilized to generate acoustic waves in the process of underground drilling construction operation, the acoustic waves are transmitted in a stratum through mud, after being attenuated for a certain time, the acoustic waves are received by a receiving acoustic wave transducer arranged on the drill collar, and stratum information is judged through analyzing the attenuated acoustic wave signals;
the existing equipment collects more image information of the single sound wave collected oil field bottom, then sends the image information to a display screen for displaying, and then observes, so that the equipment cannot visually ensure that workers can efficiently mine oil in the later period, and can provide effective layout, reduce the efficiency of oil exploitation and increase the cost of oil exploitation equipment;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to: through setting up the logging while drilling unit, the image processing unit, analysis calculation unit and data integration unit, the collection, analysis, calculation, processing, the integration of the image condition information of induction oil field bottom, the stratum condition information of oil field oil well inner wall and well depth annular movement track information of well in-process is to the well drilling based on hardware, with the three-dimensional simulation picture of the hierarchical condition information of the basement of oil well and the whole condition distribution of the whole ground of oil body, from local to holistic acquisition oil body information, thereby the condition information of the basement of department is studied to swift audio-visual, thereby it provides convenience to help the staff to research high-efficient oil exploitation in the later stage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a logging-while-drilling device based on oilfield formation of subterranean images comprises:
the logging-while-drilling unit is used for sensing image condition information of the bottom layer of the oil field, rock stratum condition information of the inner wall of the oil well of the oil field and well depth circular motion track information, sending the sensed image condition information of the bottom layer of the oil field to the image processing unit, and sending the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information to the analysis and calculation unit;
the image processing unit is used for receiving the image condition information of the oil field bottom layer, converting the image condition information, generating a linear three-dimensional model diagram of the oil field bottom layer and sending the linear three-dimensional model diagram to the data integration unit;
the analysis and calculation unit is used for receiving the information of the rock stratum condition of the inner wall of the oil well of the oil field and the information of the well depth circular motion track, then carrying out analysis and calculation processing on the information, generating a linear three-dimensional model diagram of the underground bottom layer of the oil field and sending the linear three-dimensional model diagram to the data integration unit;
and the data integration unit is used for receiving a plurality of groups of linear three-dimensional model diagrams of the oil field ground bottom layer and the ground bottom layer grading condition information corresponding to the linear three-dimensional model diagrams and constructing an oil body ground bottom layer integral condition distribution three-dimensional simulation diagram based on a plurality of groups of drilling operations.
Furthermore, the logging-while-drilling unit is installed at the outer end of the bottom of the drill rod and comprises two fixing sleeves and a central cylinder, the opposite surfaces of the two fixing sleeves are fixedly connected with the central cylinder, and an annular pressure sensor, an annular vibration sensor, a displacement sensor, a speed sensor and an ultrasonic sensor are installed in the central cylinder, the logging-while-drilling unit is characterized in that the outer end of the central cylinder is provided with induction guide cutters, two ends of the induction guide cutters gradually bulge towards the middle part, a micro-induction lifting assembly for supporting the expansion of the induction guide cutters and a deflection limiting assembly for limiting the directional deflection of the induction guide cutters are installed in the central cylinder, the micro-induction lifting assembly penetrates through the inner wall of the central cylinder, extends to the outside of the central cylinder and is fixed with the induction guide cutters, the induction guide cutters are hinged with the central cylinder through the deflection limiting assembly, and an induction elastic strip is abutted between the induction guide cutters and the outer wall of the central cylinder, one side that response elasticity strip kept away from response direction sword is equipped with first elasticity protrusion, the outer wall that first elasticity convex one end runs through a center section of thick bamboo extends to its inner chamber and with the annular pressure sensor butt, annular shock transducer's the inner butt has second elasticity protrusion, second elasticity protrusion runs through the inner wall of a center section of thick bamboo and extends to its outside.
Furthermore, the micro-sensing lifting component comprises a fixing ring, a lifting cylinder sleeve, a lifting slide rod, a supporting spring, a lifting slide block, an induction elastic block, a force sensor and a supporting block, the fixed ring is fixedly sleeved on the inner wall of the central cylinder, one end of the lifting slide bar is fixedly connected with the supporting block, and the other end of the lifting slide bar penetrates through the outer wall of the lifting cylinder sleeve in a sliding manner, extends into the lifting cylinder sleeve and is fixedly connected with the lifting slide block, the outer end of the lifting slide block is in sliding butt joint with the inner wall of the lifting cylinder sleeve, the supporting spring is sleeved at the outer end of the lifting slide rod, and the two ends of the supporting spring are respectively abutted against the end surface of the lifting cylinder sleeve and the end surface of the supporting block, one end of the supporting block far away from the lifting slide bar is fixedly connected with the induction guide knife, the fixed outer end of locating solid fixed ring of lift cylinder liner, response bullet piece and dynamics sensor are located in the lift cylinder liner, the response bullet piece is located between dynamics sensor and the lifting slide and rather than the butt.
Further, the spacing subassembly that deflects comprises articulated loop bar, annular connecting rod, first loop bar and second loop bar, the outer end of annular connecting rod is located to articulated loop bar, first loop bar and the fixed cover of second loop bar, the one end that annular connecting rod was kept away from to first loop bar and second loop bar is fixed to be located in the inner chamber of a center section of thick bamboo, and first loop bar and the perpendicular setting of second loop bar, the one end that annular connecting rod was kept away from to articulated loop bar runs through the outer wall of a center section of thick bamboo and extends to its outside and with response direction sword fixed connection.
Further, the image condition information of the oil field bottom layer is an oil field bottom layer image obtained by the ultrasonic sensor at intervals for multiple times and along with the drilling process;
the rock stratum condition information of the inner wall of the oil well of the oil field is composed of a force value of the induction guide cutter on the well wall, which is collected by a force sensor, a pressure fluctuation amplitude value of a first elastic bulge, which is induced by an annular pressure sensor, and a vibration frequency value of a second elastic bulge, which is induced by an annular vibration sensor;
the well depth annular motion track information of the logging-while-drilling unit consists of the drilling footage of the drilling logging unit acquired by a displacement sensor and the drilling speed of the drilling logging unit acquired by a speed sensor.
Further, the specific working steps of the image processing unit are as follows:
the image processing unit receives the bottom layer image of the oil field, converts the bottom layer image of the oil field into a bottom layer gray scale value graph TR of the oil field, compares the bottom layer gray scale value graph TR of the oil field with a preset gray scale step Tr, generates an oil field bottom layer unit volume TR in a one-to-one correspondence mode, and then delineates a linear three-dimensional model graph of the bottom layer of the oil field along a side line of the bottom layer unit volume TR of the oil field; wherein the gray scale step Tr is a gray scale range value corresponding to the ultrasonic wave of the ultrasonic sensor passing through the mud layer, the rock layer, the oil layer and the gas layer;
and the generated linear three-dimensional model diagram of the ground floor is also sent to the data integration unit.
Further, the specific operation of the analysis calculation unit is as follows
Sa: the analysis and calculation unit receives the force value of the induction guide cutter to the well wall, the pressure fluctuation amplitude value of the first elastic bulge, the vibration frequency value of the second elastic bulge, the drilling footage of the drilling and logging unit and the drilling speed of the drilling and logging unit and marks the values as P, L, K, J and H, and then the formula is followed
Obtaining the stratum condition factor A of the inner wall of the oil well; wherein e1, e2, e3, e4, e5 and e6 are weight correction coefficients which enable the calculated result to be closer to the true value, and e1 > e2 > e3 > e4 > e5 > e6, e1+ e2+ e3+ e4+ e5+ e6= 35.19;
the condition factor A of the inner wall and the bottom layer of the oil well is corresponding to a preset step value a, and then the well transferring height of the condition factor A of the inner wall and the bottom layer of the oil well in the corresponding range of the preset step value a is obtained, so that the grading condition information of the bottom layer is generated; judging the information of the classification condition of the underground layer into a mud layer, a rock layer, an oil layer and a gas layer;
and transmitting the information of the underground hierarchical condition to the data integration unit.
Further, based on the multiple groups of drilling work, the specific working steps of the data integration unit are as follows:
the data integration unit receives a plurality of groups of linear three-dimensional model diagrams of the oil field ground bottom layer and the grading condition information of the oil field ground bottom layer corresponding to the linear three-dimensional model diagrams, an oil well at a well switching position is taken as an anchor point, the distance between the adjacent oil well and the center point of the oil well is taken as the diagonal length of the anchor point, the anchor point volume xp is obtained through the diagonal length of the anchor point, then the anchor point volume xp of the linear three-dimensional model diagrams of the oil field ground bottom layer is intercepted, then the linear three-dimensional model diagrams of the oil field ground bottom layer with the size corresponding to the anchor point volume xp are obtained and merged, and then the linear three-dimensional model diagrams of the oil field ground bottom layer are subjected to color rendering through the grading condition information of the oil well bottom layer corresponding to the linear three-dimensional model diagrams and the corresponding gray ladder Tr to generate the three-dimensional simulation diagram of the integral condition distribution of the oil body ground bottom layer.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, by arranging the logging-while-drilling unit, the image processing unit, the analysis and calculation unit and the data integration unit, the acquisition, analysis, calculation, processing and integration of the image condition information of the bottom layer of the induction oil field, the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information are carried out in the drilling process based on hardware, the three-dimensional simulation diagram is distributed according to the grading condition information of the bottom layer of the oil well and the integral condition of the bottom layer of the oil body, and the oil body information is obtained from local to integral, so that the condition information of the bottom layer is rapidly and visually researched, and the convenience is provided for workers to research the high-efficiency petroleum exploitation in the later period; the problem of traditional equipment only can't comparatively audio-visual assurance staff later stage research high efficiency exploitation oil through the sound wave image provide effective overall arrangement, reduce the efficiency of oil development and increase oil development equipment cost is solved.
Drawings
FIG. 1 shows a front view of the present invention;
FIG. 2 shows a cross-sectional view of a configuration of a logging-while-drilling unit;
FIG. 3 shows a partial enlarged view at A of FIG. 2;
FIG. 4 shows a cross-sectional view of a lift cylinder liner;
FIG. 5 shows a partial enlarged view at B of FIG. 2;
FIG. 6 shows a flow chart of the present invention;
illustration of the drawings: 1. fixing a sleeve; 2. a central barrel; 3. sensing a guide knife; 4. sensing the elastic strip; 5. a first resilient projection; 6. an annular pressure sensor; 7. a second elastic projection; 8. a micro-sensing lifting component; 9. a deflection limiting assembly; 10. an ultrasonic sensor; 11. an annular vibration sensor; 12. a displacement sensor; 13. a speed sensor; 801. a fixing ring; 802. a lift cylinder sleeve; 803. lifting the sliding rod; 804. a support spring; 805. a lifting slide block; 806. sensing a spring block; 807. a force sensor; 808. a support block; 901. a loop bar is hinged; 902. an annular connecting rod; 903. a first loop bar; 904. a second loop bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-6, a logging-while-drilling device based on oilfield formation of an underground layer, wherein the logging-while-drilling unit is installed at the outer end of the bottom of a drill rod and comprises a fixed sleeve 1 and a central cylinder 2, the fixed sleeve 1 is provided with two parts, the opposite surface of the fixed sleeve 1 is fixedly connected with the central cylinder 2, an annular pressure sensor 6, an annular vibration sensor 11, a displacement sensor 12, a speed sensor 13 and an ultrasonic sensor 10 are installed in the central cylinder 2, an induction guide knife 3 is arranged at the outer end of the central cylinder 2, two ends of the induction guide knife 3 gradually bulge towards the middle part, a micro-induction lifting assembly 8 for supporting the expansion of the induction guide knife 3 and a deflection limiting assembly 9 for limiting the directional deflection of the induction guide knife 3 are installed in the central cylinder 2, the micro-induction lifting assembly 8 penetrates through the inner wall of the central cylinder 2 and extends to the outer part of the central cylinder and is fixed with the induction guide knife 3, the induction guide knife 3 is hinged with the central cylinder 2 through the deflection limiting assembly 9, an induction elastic strip 4 is abutted between the induction guide knife 3 and the outer wall of the central cylinder 2, a first elastic bulge 5 is arranged on one side, away from the induction guide knife 3, of the induction elastic strip 4, one end of the first elastic bulge 5 penetrates through the outer wall of the central cylinder 2, extends to the inner cavity of the central cylinder and is abutted with an annular pressure sensor 6, a second elastic bulge 7 is abutted to the inner end of an annular vibration sensor 11, and the second elastic bulge 7 penetrates through the inner wall of the central cylinder 2 and extends to the outside of the central cylinder;
the micro-sensing lifting assembly 8 comprises a fixing ring 801, a lifting cylinder sleeve 802, a lifting slide bar 803, a supporting spring 804, a lifting slide block 805, a sensing elastic block 806, a force sensor 807 and a supporting block 808, wherein the fixing ring 801 is fixedly sleeved on the inner wall of the central cylinder 2, one end of the lifting slide bar 803 is fixedly connected with the supporting block 808, the other end of the lifting slide bar 803 penetrates through the outer wall of the lifting cylinder sleeve 802 in a sliding manner to extend into the lifting cylinder sleeve and is fixedly connected with the lifting slide block 805, the outer end of the lifting slide block 805 is in sliding abutting joint with the inner wall of the lifting cylinder sleeve 802, the supporting spring 804 is sleeved on the outer end of the lifting slide bar 803, two ends of the supporting spring 804 are respectively in abutting joint with the end surface of the lifting cylinder sleeve 802 and the end surface of the supporting block 808, one end of the supporting block 808 far away from the lifting slide bar 803 is fixedly connected with the sensing guide knife 3, the lifting cylinder sleeve 802 is fixedly arranged at the outer end of the fixing ring 801, the sensing elastic block 806 and the force sensor 807 are arranged in the lifting cylinder sleeve 802, the induction elastic block 806 is arranged between the force sensor 807 and the lifting slide block 805 and is abutted against the force sensor;
the deflection limiting assembly 9 is composed of a hinged loop bar 901, an annular connecting rod 902, a first loop bar 903 and a second loop bar 904, the hinged loop bar 901, the first loop bar 903 and the second loop bar 904 are fixedly sleeved at the outer end of the annular connecting rod 902, one ends of the first loop bar 903 and the second loop bar 904, which are far away from the annular connecting rod 902, are fixedly arranged in the inner cavity of the central cylinder 2, the first loop bar 903 and the second loop bar 904 are vertically arranged, and one end of the hinged loop bar 901, which is far away from the annular connecting rod 902, penetrates through the outer wall of the central cylinder 2 to extend to the outside of the central cylinder and is fixedly connected with the induction guide knife 3;
after the induction guide knife 3 is extruded by the well wall, the extrusion force of the guide knife is deflected to approach the central cylinder 2 by taking a circular point on the section of the annular connecting rod 902 as the center, after the induction guide knife 3 is deflected to approach the central cylinder 2 and then extrudes the induction elastic strip 4, the induction elastic strip 4 and the integrated first elastic bulge 5 are extruded, the reverse acting force of the first elastic bulge 5 is extruded to act on the annular pressure sensor 6, so that the annular pressure sensor 6 senses the pressure to generate a pressure fluctuation value, simultaneously the induction guide knife 3 drives the lifting slide rod 803 fixedly connected with the supporting block 808 to slide towards the lifting cylinder sleeve 802, the lifting slide rod 803 drives the lifting slide block 805 fixed with the lifting slide rod to slide along the inner wall of the lifting cylinder sleeve 802 after sliding towards the lifting cylinder sleeve 802, and the lifting slide block 805 extrudes the induction elastic block 806 to shrink at the moment, and the reverse acting force extrusion force sensor 807 after the induction elastic block 806 shrinks, so that the force sensor 807 senses the force value of the induction guiding cutter 3 to the well wall;
when the drill rod drills to the ground, vibration quantity is generated, so that the second elastic protrusion 7 is extruded and sent to the annular vibration sensor 11 through reverse acting force of the second elastic protrusion 7, the annular vibration sensor 11 senses the vibration frequency value of the second elastic protrusion 7, the descending height of the drill rod is collected through the displacement sensor 12 to generate a drilling footage, and the drilling speed of the drilling and logging unit is collected through the speed sensor 13;
the logging-while-drilling unit is also used for sensing the image condition information of the bottom layer of the oil field, the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information, sending the image condition information of the bottom layer of the sensing oil field to the image processing unit and sending the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information to the analysis and calculation unit; the image condition information of the bottom layer of the oil field is an oil field bottom layer image obtained by the ultrasonic sensor 10 for a plurality of times at intervals and along with the drilling process;
the rock stratum condition information of the inner wall of the oil well of the oil field consists of a force value of the induction guide cutter 3 to the well wall, which is acquired by a force sensor 807, a pressure fluctuation amplitude value of the first elastic bulge 5, which is sensed by an annular pressure sensor 6, and a vibration frequency value of the second elastic bulge 7, which is sensed by an annular vibration sensor 11;
the well depth annular motion track information of the logging-while-drilling unit consists of the drilling footage of the drilling logging unit acquired by a displacement sensor 12 and the drilling speed of the drilling logging unit acquired by a speed sensor 13;
the image processing unit is used for receiving the image condition information of the oil field bottom layer, converting the image condition information, generating a linear three-dimensional model diagram of the oil field bottom layer and sending the linear three-dimensional model diagram to the data integration unit;
the analysis and calculation unit is used for receiving the information of the rock stratum condition of the inner wall of the oil well of the oil field and the information of the well depth circular motion track, then carrying out analysis and calculation processing on the information, generating a linear three-dimensional model diagram of the underground bottom layer of the oil field and sending the linear three-dimensional model diagram to the data integration unit;
and the data integration unit is used for receiving a plurality of groups of linear three-dimensional model diagrams of the oil field ground bottom layer and the ground bottom layer grading condition information corresponding to the linear three-dimensional model diagrams and constructing an oil body ground bottom layer integral condition distribution three-dimensional simulation diagram based on a plurality of groups of drilling operations.
The working principle is as follows:
the method comprises the following steps that firstly, a logging-while-drilling unit is arranged at the outer end of the bottom of a drill rod, and the expansion size of an induction guide cutter 3 of the logging-while-drilling unit is larger than the diameter of the drill rod, so that the induction guide cutter 3 can be abutted to the inner wall of an oil well after being expanded;
step two, starting drill pipe operation, enabling the drill pipe to gradually rotate and extend to the bottom layer of an oil field, then driving a logging-while-drilling unit fixed with the drill pipe to rotate at a high speed after the drill pipe works, enabling the logging-while-drilling unit to rotate at a high speed and to be driven to gradually move downwards, enabling the induction guide cutter 3 to contact with the inner wall of an oil well in a rotating state, enabling the induction guide cutter 3 to deflect outwards to the central cylinder 2 by taking the deflection limiting assembly 9 as a center under the supporting force of the micro-induction lifting assembly 8 to abut against the inner wall of the oil well, enabling the induction guide cutter 3 to be slightly inserted into a spongy soil layer when a well is transferred to the spongy soil layer, enabling the induction guide cutter 3 to be highly extruded and contracted by the rock layer when the well is transferred to the rock layer, enabling the oil to be slightly pressed in a condensed state when the well is transferred to the oily layer, enabling the induction guide cutter 3 to be completely extended when the well is transferred to a gas such as a liquefied gas layer, and enabling the logging-while-drilling unit to repeatedly space-while-drilling image processing unit to pass through the ultrasonic sensor 10 for multiple times in the process In the image of the oil field ground bottom layer in the well process, the force value of the induction guide cutter 3 on the well wall is acquired through the force sensor 807, the pressure fluctuation amplitude value of the first elastic bulge 5 is induced through the annular pressure sensor 6, the vibration frequency value of the second elastic bulge 7 is induced through the annular vibration sensor 11, the drilling size of the drilling and logging unit is acquired through the displacement sensor 12, and the drilling speed of the drilling and logging unit is acquired through the speed sensor 13;
then the image of the oil field ground bottom layer is sent to an image processing unit, and other data are sent to an analysis and calculation unit;
step three, after receiving the bottom layer image of the oil field, the image processing unit converts the bottom layer image of the oil field into a bottom layer gray scale figure TR of the oil field, the bottom layer gray scale figure TR of the oil field is compared with a preset gray scale step Tr and generates a unit volume TR of the bottom layer of the oil field in a one-to-one correspondence mode, and then a linear three-dimensional model figure of the bottom layer of the oil field is drawn along a side line of the unit volume TR of the bottom layer of the oil field; wherein, the gray scale step Tr is the corresponding gray scale range value of the ultrasonic wave of the ultrasonic sensor 10 passing through the mud layer, the rock layer, the oil layer and the gas layer;
the generated linear three-dimensional model diagram of the ground floor is sent to a data integration unit;
fourthly, the analysis and calculation unit receives the force value of the induction guide cutter 3 to the well wall, the pressure fluctuation amplitude value of the first elastic bulge 5, the vibration frequency value of the second elastic bulge 7, the drilling footage of the drilling logging unit and the drilling speed of the drilling logging unit, and marks the values as P, L, K, J and H, and then the analysis and calculation unit marks the values as the force value, the pressure fluctuation amplitude value, the vibration frequency value, the drilling footage of the drilling logging unit and the drilling speed of the drilling logging unit according to a formula
Obtaining the stratum condition factor A of the inner wall of the oil well; wherein e1, e2, e3, e4, e5 and e6 are weight correction coefficients which enable the calculated result to be closer to the true value, and e1 > e2 > e3 > e4 > e5 > e6, e1+ e2+ e3+ e4+ e5+ e6= 35.19;
the condition factor A of the bottom layer of the inner wall of the oil well corresponds to a preset step value a, and then the well-turning height of the condition factor A of the bottom layer of the inner wall of the oil well within the corresponding range of the preset step value a is obtained, so that the grading condition information of the bottom layer is generated; judging a mud layer, a rock layer, an oil layer and a gas layer according to the grading condition information of the ground floor;
the information of the grading condition of the ground bottom layer is also sent to a data integration unit;
the information of the grading condition of the underground layer is sent to a display screen for displaying, so that a worker can conveniently obtain whether the drilling position is an oil layer or a gas layer, and measures corresponding to safe extraction can be conveniently made;
step five, after multiple groups of data under multiple groups of drilling work are based, the data integration unit receives multiple groups of oil field ground bottom layer linear three-dimensional model graphs and ground bottom layer grading condition information corresponding to the oil field ground bottom layer linear three-dimensional model graphs, an oil well at a well transfer position is taken as an anchor point, the distance between an adjacent oil well and the center point of the oil well is taken as the diagonal length of the anchor point, the anchor point volume xp is obtained through the diagonal length of the anchor point, then the anchor point volume xp of the oil field ground bottom layer linear three-dimensional model graphs is intercepted, then the oil field ground bottom layer linear three-dimensional model graphs with the size corresponding to the anchor point volume xp are obtained and merged, and then the oil field ground bottom layer linear three-dimensional model graphs are subjected to color rendering through the ground bottom layer grading condition information of the oil well corresponding to the anchor point volume xp and the corresponding gray scale step Tr to generate an oil body ground bottom layer overall condition distribution three-dimensional simulation graph; the three-dimensional simulation graph of the overall condition distribution of the oil body ground floor is also published to a display screen for displaying, so that a worker can conveniently and visually observe the three-dimensional simulation graph of the overall condition distribution of the oil body ground floor, and crude oil and gas in the oil body are correspondingly distributed for exploitation, so that the later exploitation efficiency is overhigh;
by integrating the steps, the logging-while-drilling unit, the image processing unit, the analysis and calculation unit and the data integration unit are arranged, the acquisition, analysis, calculation, processing and integration of the image condition information of the bottom layer of the induction oil field, the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information are carried out in the drilling process based on hardware, the three-dimensional simulation diagram is distributed according to the grading condition information of the bottom layer of the oil well and the integral condition of the bottom layer of the oil body, and the oil body information is acquired from local to integral, so that convenience is provided for workers to research and efficiently exploit petroleum in the later period; for example, when an oil layer is disconnected, a plurality of well heads are needed, the oil layer is communicated, and only one oil pumping unit needs to be arranged, so that the cost of equipment is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. A logging-while-drilling device based on oilfield formation of earth bottom layer imaging is characterized by comprising:
the logging-while-drilling unit is used for sensing image condition information of the bottom layer of the oil field, rock stratum condition information of the inner wall of the oil well of the oil field and well depth circular motion track information, sending the sensed image condition information of the bottom layer of the oil field to the image processing unit, and sending the rock stratum condition information of the inner wall of the oil well of the oil field and the well depth circular motion track information to the analysis and calculation unit;
the image processing unit is used for receiving the image condition information of the oil field bottom layer, converting the image condition information, generating a linear three-dimensional model diagram of the oil field bottom layer and sending the linear three-dimensional model diagram to the data integration unit;
the analysis and calculation unit is used for receiving the information of the rock stratum condition of the inner wall of the oil well of the oil field and the information of the well depth circular motion track, then carrying out analysis and calculation processing on the information, generating a linear three-dimensional model diagram of the underground bottom layer of the oil field, and respectively sending the linear three-dimensional model diagram to the data integration unit and the display screen for display;
and the data integration unit is used for receiving a plurality of groups of linear three-dimensional model diagrams of the oil field ground bottom layer and the ground bottom layer grading condition information corresponding to the linear three-dimensional model diagrams and constructing an oil body ground bottom layer integral condition distribution three-dimensional simulation diagram based on a plurality of groups of drilling operations.
2. The logging-while-drilling device based on oilfield formation of underground layers is characterized in that the logging-while-drilling unit comprises two fixing sleeves (1) and a central cylinder (2), the two fixing sleeves (1) are fixedly connected with the central cylinder (2) through opposite surfaces of the fixing sleeves (1), an annular pressure sensor (6), an annular vibration sensor (11), a displacement sensor (12), a speed sensor (13) and an ultrasonic sensor (10) are installed in the central cylinder (2), an induction guide cutter (3) is arranged at the outer end of the central cylinder (2), two ends of the induction guide cutter (3) gradually bulge towards the middle part, a micro-induction lifting assembly (8) for supporting the induction guide cutter (3) to expand and a deflection limiting assembly (9) for limiting the directional deflection of the induction guide cutter (3) are installed in the central cylinder (2), the inner wall that microsection lifting unit (8) run through a center section of thick bamboo (2) extends to its outside and fixes with response direction sword (3), response direction sword (3) are articulated with a center section of thick bamboo (2) through deflecting spacing subassembly (9), it has response elasticity strip (4) to connect to respond between response direction sword (3) and a center section of thick bamboo (2) outer wall, the one side of keeping away from response direction sword (3) in response elasticity strip (4) is equipped with first elasticity protrusion (5), the outer wall that the one end of first elasticity protrusion (5) runs through a center section of thick bamboo (2) extends to its inner chamber and with annular pressure sensor (6) butt, the inner butt of annular vibrations sensor (11) has second elasticity protrusion (7), second elasticity protrusion (7) run through the inner wall of a center section of thick bamboo (2) and extend to its outside.
3. The logging-while-drilling device based on oilfield formation of the earth floor according to claim 2, wherein the micro-sensing lifting assembly (8) comprises a fixing ring (801), a lifting cylinder sleeve (802), a lifting slide bar (803), a supporting spring (804), a lifting slide block (805), a sensing elastic block (806), a force sensor (807) and a supporting block (808), the fixing ring (801) is fixedly sleeved on the inner wall of the central cylinder (2), one end of the lifting slide bar (803) is fixedly connected with the supporting block (808), the other end of the lifting slide bar (803) slidably penetrates through the outer wall of the lifting cylinder sleeve (802) to extend into the lifting cylinder sleeve and is fixedly connected with the lifting slide block (805), the outer end of the lifting slide block (803) is in sliding abutting joint with the inner wall of the lifting cylinder sleeve (802), and the supporting spring (804) is sleeved on the lifting slide bar (803), and the both ends of supporting spring (804) butt respectively with the terminal surface of lift cylinder liner (802) and the terminal surface of supporting shoe (808), the one end and response direction sword (3) fixed connection of lift slide bar (803) are kept away from in supporting shoe (808), the outer end of solid fixed ring (801) is fixed to lift cylinder liner (802), response bullet piece (806) and dynamics sensor (807) are located in lift cylinder liner (802), dynamics sensor (807) and lift slide block (805) are located to response bullet piece (806) between and rather than the butt.
4. The logging-while-drilling device based on oilfield formation imaging is characterized in that the deflection limiting assembly (9) is composed of a hinged sleeve rod (901), an annular connecting rod (902), a first sleeve rod (903) and a second sleeve rod (904), the hinged sleeve rod (901), the first sleeve rod (903) and the second sleeve rod (904) are fixedly sleeved with the sleeve (1) at the outer end of the annular connecting rod (902), one ends of the first sleeve rod (903) and the second sleeve rod (904) far away from the annular connecting rod (902) are fixedly arranged in the inner cavity of the central cylinder (2), the first sleeve rod (903) and the second sleeve rod (904) are vertically arranged, and one end of the hinged sleeve rod (901) far away from the annular connecting rod (902) extends through the outer wall of the central cylinder (2) to the outside of the central cylinder and is fixedly connected with the induction guide cutter (3).
5. The logging-while-drilling device based on oilfield formation of the underground is characterized in that the image condition information of the underground of the oilfield is an image of the underground of the oilfield during drilling process acquired by an image processing unit at intervals for a plurality of times by an ultrasonic sensor (10);
the information of the rock stratum condition of the inner wall of the oil well of the oil field is formed by a force value of the induction guide cutter (3) to the well wall, which is acquired by a force sensor (807), a pressure fluctuation amplitude value of the first elastic bulge (5) which is induced by the annular pressure sensor (6) and a vibration frequency value of the second elastic bulge (7) which is induced by the annular vibration sensor (11);
the well depth annular motion track information of the logging-while-drilling unit consists of the drilling footage of the drilling logging unit acquired by a displacement sensor (12) and the drilling speed of the drilling logging unit acquired by a speed sensor (13).
6. The logging-while-drilling device based on oilfield formation imaging according to claim 5, wherein the image processing unit comprises the following specific working steps:
the image processing unit receives the bottom layer image of the oil field, converts the bottom layer image of the oil field into a bottom layer gray scale figure TR of the oil field, compares the bottom layer gray scale figure TR of the oil field with a preset gray scale step Tr and generates a unit volume TR of the bottom layer of the oil field in a one-to-one correspondence mode, and then delineates a linear three-dimensional model figure of the bottom layer of the oil field along a side line of the unit volume TR of the bottom layer of the oil field; wherein the gray scale step Tr is a gray scale range value corresponding to the ultrasonic wave of the ultrasonic sensor (10) passing through a mud layer, a rock layer, an oil layer and a gas layer;
and the generated linear three-dimensional model diagram of the ground floor is also sent to the data integration unit.
7. The logging-while-drilling device based on oilfield formation imaging according to claim 5, wherein the analysis and calculation unit specifically works as follows:
sa: the analysis and calculation unit receives the force value of the induction guide cutter (3) to the well wall, the pressure fluctuation amplitude value of the first elastic bulge (5), the vibration frequency value of the second elastic bulge (7), the drilling footage of the drilling and logging unit and the drilling speed of the drilling and logging unit and marks the values as P, L, K, J and H, and then the force value, the pressure fluctuation amplitude value, the vibration frequency value, the drilling footage of the drilling and logging unit and the drilling speed of the drilling and logging unit are calibrated according to a formula
Obtaining the stratum condition factor A of the inner wall of the oil well; wherein e1, e2, e3, e4, e5 and e6 are weight correction coefficients;
the condition factor A of the inner wall and the bottom layer of the oil well is corresponding to a preset step value a, and then the well transferring height of the condition factor A of the inner wall and the bottom layer of the oil well in the corresponding range of the preset step value a is obtained, so that the grading condition information of the bottom layer is generated; judging the information of the classification condition of the underground layer into a mud layer, a rock layer, an oil layer and a gas layer;
and the information of the grading condition of the ground bottom layer is respectively sent to the data integration unit and the display screen for display.
8. The logging-while-drilling device based on oilfield formation imaging according to claim 7, wherein the data integration unit comprises the following specific working steps based on multiple groups of drilling work:
the data integration unit receives a plurality of groups of oil field ground floor linear three-dimensional model diagrams and ground floor grading condition information corresponding to the oil field ground floor linear three-dimensional model diagrams, an oil well at a transfer well is taken as an anchor point, the distance between the adjacent oil well and the center point of the oil well is taken as the diagonal length of the anchor point, the anchor point volume xp is obtained through the diagonal length of the anchor point, then the anchor point volume xp of the oil field ground floor linear three-dimensional model diagrams is intercepted, then the oil field ground floor linear three-dimensional model diagrams with the size corresponding to the anchor point volume xp are obtained and combined, and then the oil field ground floor grading condition information of the oil well corresponding to the anchor point volume xp and the corresponding gray step Tr are used for conducting color rendering on the anchor point linear three-dimensional model diagrams to generate the oil body ground floor integral condition distribution three-dimensional simulation diagram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210268901.3A CN114575823A (en) | 2022-03-18 | 2022-03-18 | Logging-while-drilling device based on oil field underground formation imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210268901.3A CN114575823A (en) | 2022-03-18 | 2022-03-18 | Logging-while-drilling device based on oil field underground formation imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114575823A true CN114575823A (en) | 2022-06-03 |
Family
ID=81781956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210268901.3A Withdrawn CN114575823A (en) | 2022-03-18 | 2022-03-18 | Logging-while-drilling device based on oil field underground formation imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114575823A (en) |
-
2022
- 2022-03-18 CN CN202210268901.3A patent/CN114575823A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7046165B2 (en) | Method for collecting geological data ahead of a drill bit | |
| CA2694225C (en) | Drill bit tracking apparatus and method | |
| US7475732B2 (en) | Instrumentation for a downhole deployment valve | |
| US7730967B2 (en) | Drilling wellbores with optimal physical drill string conditions | |
| JP4356856B2 (en) | Device for detecting geophysical energy | |
| CN103857872B (en) | A kind of method for the hydraulically created fracture geometry for determining reservoir or target area | |
| US9081110B2 (en) | Devices, systems and methods for low frequency seismic borehole investigations | |
| EA010524B1 (en) | System and method for combined microseismic and tiltmeter analysis | |
| CN104747184A (en) | Measurement-while-drilling method and device for three-dimensional wave velocity imaging of rock mass in front of tunnel face | |
| RU2401378C1 (en) | Method of drilling inclined and horizontal well bores | |
| CN108150102A (en) | A kind of sound guidance system of wellbore positioning | |
| CN101460868A (en) | Method and apparatus for determining formation resistivity ahead of the bit and azimuthal at the bit | |
| US11513247B2 (en) | Data acquisition systems | |
| CN114575823A (en) | Logging-while-drilling device based on oil field underground formation imaging | |
| CN1298964C (en) | Method for micrometering well by detectors series setted in well | |
| US11480048B2 (en) | Seismic-while-drilling systems and methodology for collecting subsurface formation data | |
| EP3271551B1 (en) | Leak detection via doppler shift differences in moving hydrophones | |
| CA2806516A1 (en) | Drill bit tracking apparatus and method | |
| GB2444195A (en) | Instrumentation for downhole deployment valve | |
| GB2441901A (en) | A method of using a downhole deployment valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220603 |
|
| WW01 | Invention patent application withdrawn after publication |