CN105298388A - Horizontal well drilling path guiding method and device - Google Patents
Horizontal well drilling path guiding method and device Download PDFInfo
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- CN105298388A CN105298388A CN201510728175.9A CN201510728175A CN105298388A CN 105298388 A CN105298388 A CN 105298388A CN 201510728175 A CN201510728175 A CN 201510728175A CN 105298388 A CN105298388 A CN 105298388A
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Abstract
The invention provides a horizontal well drilling path guiding method and device. The method comprises the steps of determining the prediction range of geological mutation in the horizontal well section of a target reservoir stratum according to the analysis and processing result of the seismic data and geological data of the target reservoir stratum, determining the position of geological mutation in the prediction range and the type of geological mutation according to acquired geological data while drilling when a drilling bit in the horizontal well section reaches the prediction range, and adjusting the drilling direction of the drilling bit according to the position and type of geological mutation. By the adoption of the technical scheme, the method for predicting geological mutation is optimized.
Description
Technical field
The present invention relates to earthquake, geologic data Comprehensive interpretation field, particularly relate to a kind of horizontal well drilling track guidance method and device.
Background technology
In oil and gas development, horizontal well can increase target zone length, increase drainage area, improves oil and gas production, and therefore, after the nineties in last century, cost of oil production reduced, China's horizontal well drilling technology development rapidly, and enters the scale application stage.At present, horizontal well technology is exploitation oil sheet, clostridium difficitis block and the more effective means of coal gas reservoir.Usually, horizontal well drilling technology comprises drilling measuring technology, control Technology for Borehole Trajectory, well-bore stability technology, Completion Fluid etc.Horizontal well drilling track guiding technique is key technology indispensable in control Technology for Borehole Trajectory.
The main guiding adopting geosteering measureing equipment to carry out wellbore trace in current horizontal well drilling process, after described geosteering measureing equipment is installed on power drilling tool, distance drill bit about 10m.Described measureing equipment metrical information is delayed, and the real-time that directly affects wellbore trace trend controls.Described measureing equipment cannot obtain geological information accurately, and therefore, the engineering factor etc. in the heterogeneity of architectonic uncertainty, reservoir and drilling process, all may make drilling bit in drilling process depart from reservoir.
Geosteering measureing equipment metrical information for horizontal well drilling track guiding in prior art is delayed, and the geological information of acquisition is inaccurate, thus affects the real-time of wellbore trace trend and the development efficiency of reservoir.Therefore, a kind of real-time and the method for reservoir development efficiency that can improve wellbore trace trend is needed in prior art badly.
Summary of the invention
The object of the present invention is to provide a kind of horizontal well drilling track guidance method and device, the real-time of wellbore trace trend and the development efficiency of reservoir can be improved.
A kind of horizontal well drilling track guidance method provided by the invention and device are achieved in that
A kind of horizontal well drilling track guidance method, described method comprises:
According to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation;
When the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation;
According to position and the geology mutation type of described ground cytoplasmic mutation, adjust the drilling direction of described drilling bit.
Optionally, in one embodiment of the invention, described geology mutation type comprise following at least one: lithology sudden change, tomography, microstructures.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises lithology sudden change, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described seismic data and described with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises tomography, the described position according to described ground cytoplasmic mutation and geologic feature, adjust described stratigraphic dip drilling direction, comprising:
According to described seismic data and described with brill geologic information, determine the tendency of described tomography and the size of turn-off, described drilling bit is adjusted to described tomography another dish relevant position.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises microstructures, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described seismic data and described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
Optionally, in one embodiment of the invention, described according to the seismic data of target reservoir and the analysis processing result of geologic information, predict the region of net horizontal section spot cytoplasmic mutation in described target reservoir, comprising:
According to the section of the geological model of oil accumulation of described target reservoir, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section are predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
A kind of horizontal well drilling track guiding device, described device comprises:
Predicting unit, for according to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation;
Position determination unit, for when the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation;
Drilling direction adjustment unit, for according to the position of described ground cytoplasmic mutation and geology mutation type, adjusts the drilling direction of described drilling bit.
Optionally, in one embodiment of the invention, described geology mutation type comprise following at least one: lithology sudden change, tomography, microstructures.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises lithology sudden change, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises tomography, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, determine the tendency of described tomography and the size of turn-off, described drilling bit is adjusted to described tomography another dish relevant position.
Optionally, in one embodiment of the invention, when described ground cytoplasmic mutation comprises microstructures, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
Optionally, in one embodiment of the invention, described predicting unit also comprises:
Predictor unit, for the section of the geological model of oil accumulation according to described target reservoir, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section is predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
As can be seen here, the technical scheme of the embodiment of the present invention passes through seismic data and the geologic information of combining target reservoir, can in conjunction with well-log information, the region of spot cytoplasmic mutation in target of prediction reservoir in the seismic profile or earthquake three-dimensional data volume of whole target reservoir, the method for Optimization Prediction ground cytoplasmic mutation.By near Real-time Obtaining drilling bit with brill geologic information, determine described ground cytoplasmic mutation position in this region, to adjust drilling direction in time, drilling bit can be made to remain in target reservoir as far as possible, improve the real-time of geosteering and the development efficiency of target reservoir.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of embodiment of horizontal well drilling track guidance method provided by the invention;
Fig. 2 is the modular structure schematic diagram of a kind of horizontal well drilling track guiding device provided by the invention.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The invention provides a kind of horizontal well drilling track guidance method and device.Fig. 1 is the method flow diagram of a kind of embodiment of horizontal well drilling track guidance method provided by the invention, and as shown in Figure 1, described method can comprise:
Step S1: according to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation.
The geological conditions often relative complex of target reservoir, in the net horizontal section drilling process of described target reservoir, possible spot cytoplasmic mutation problem.In one embodiment of the invention, described geology mutation type can comprise following at least one: lithology sudden change, tomography, microstructures.
Described lithology sudden change can be included in same reservoir, and along the bearing of trend of reservoir, the lithology of geology is undergone mutation, and the lithology of such as geology can be mutated into mud stone from sandstone, or is mutated into sandstone from mud stone.In horizontal well drilling process, if when creeping into the lower mud stone of oil reservoir content from the sandstone that oil reservoir content is larger, often there is drilling bit brill from the situation of reservoir, cause the reduction of reservoir exploitation efficiency.
The sudden change of described tomography can comprise the structure that rock stratum is subjected to displacement along the plane of fracture, and the often scale of suddenling change of the tomography in described target reservoir is less, but can destroy described target reservoir ground continuity and integrality.In horizontal well drilling process, when running into the sudden change of described tomography, drilling bit brill can be caused equally from the generation of reservoir situation.
Described microstructures can comprise the less fluctuations of amplitude that reservoir in ground movement produces.According to the direction of described changes in amplitude, described microstructures can comprise forward microstructures and negative sense microstructures.Described forward microstructures generally can form remaining oil enriched area, and described negative sense microstructures is often the serious High water cut district of water logging.In horizontal well drilling process, if drilling direction does not match with the change direction of described microstructures, drilling bit brill also can be caused from the generation of reservoir situation.
Usually, geologic information mainly comprises well-log information, and described well-log information can provide the exact numerical of the reservoir parameter such as hydro carbons, water saturation, degree of porosity, permeability, sand, shale content of reservoir.Through the treatment and analysis to described well-log information, the geologic explanation such as relevant configuration and stratum between individual well or well can be made.The geological model of oil accumulation of described target reservoir can be obtained according to the well-log information of described target reservoir.Although well-log information can reflect physical parameter and the geology characteristic on stratum residing for drilling well, but at the three dimensions of whole target reservoir, described well-log information may relatively limit to, and lacks the seismic profile of whole target reservoir or the information of earthquake three-dimensional data volume.
Further, in another embodiment of the present invention, can the seismic data of combining target reservoir and geologic information, predict the region of net horizontal section spot cytoplasmic mutation in described target reservoir.In one embodiment of the invention, described according to the seismic data of target reservoir and the analysis processing result of geologic information, predict the region of net horizontal section spot cytoplasmic mutation in described target reservoir, comprising:
According to the section of the geological model of oil accumulation of described formation at target locations, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section are predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
Described seismic data can reflect the geological condition on stratum more accurately, and described seismic data can comprise two-dimension earthquake data and 3-d seismic data set.In one embodiment of the invention, described two dimension or 3D seismic data can comprise seismic properties two dimension or 3D seismic data.The section of two-dimension earthquake data and 3-d seismic data set section and section can clearly react whole target reservoir geology change.In the application scenarios of one embodiment of the present of invention, the two dimension in man-machine interaction interpre(ta)tive system or three-dimensional visualization Display Technique can be utilized, the section of described two-dimension earthquake data and/or 3-d seismic data set is observed to cut into slices and section, according to observed result again in conjunction with the geological model of oil accumulation of described target reservoir, visual research is carried out to the geology change of target reservoir.
The accuracy of observation of described two-dimension earthquake data and 3-d seismic data set is often less than 10 meters, but the diameter of drilling bit is generally at 20 cm, simultaneously, the displacement of spot cytoplasmic mutation is general also between 1 meter to 5 meters, therefore, according to the section of geological model of oil accumulation, two-dimension earthquake data section and/or 3-d seismic data set and section, generally can observe the region of spot cytoplasmic mutation, accurately can't locate the position of spot cytoplasmic mutation.
In one embodiment of the invention, described lithology is suddenlyd change, can according to the threshold value of the differentiation reservoir of contiguous well known in target zone in subrange, utilize in described seismic data along the Depth Domain geological model of oil accumulation parameter based on invert data body in the reservoir sensitive earthquake attribute of target zone extraction and described geologic information, carry out the Lithologic Processing analysis of regional area, and the plane process of described regional area lithologic analysis obtained or sectional drawing and the superimposed display of net horizontal section, and then may there is the position of lithology sudden change in prediction.
In another embodiment of the present invention, for described tomography, can utilize in described seismic data and extract regional area tomography sensitive earthquake attribute along target zone, extract the seismic properties section of tomography sensitivity along net horizontal section.By comprehensively analyzing multiple plane seismic properties and the seismic properties section of local craven fault identification, multiple plane and section attribute all there is the predicted position of position as tomography of more obvious craven fault linear character.Treatment Analysis can also be carried out to the predicted position of described tomography further, comprise predict the predicted position of described tomography in the locus of the target zone point of interruption, fault pattern, tomography tendency and turn-off size etc.
In another embodiment of the present invention, for described microstructures, can according to the Depth Domain geological model of oil accumulation section along net horizontal section in described geologic information, and along the destination layer end face local structure figure of net horizontal section, determine position and the degree of depth of the relatively high point that microstructures may occur, and along net horizontal section direction at increase control point, described relatively high some both sides, or utilize the target spot of design level section, read described position and the degree of depth.Further, the stratigraphic dip between described control point (or described target spot) and described adjacent height point and stratigraphic dip situation of change can be calculated, determine the growth position of described microstructures on net horizontal section according to described stratigraphic dip situation of change.
Step S2: when the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation.
When monitoring the drilling bit in described net horizontal section when arriving described region, can obtain with brill geologic information.In one embodiment of the invention, described acquisition can comprise with brill geologic information:
Described drilling bit installs well geosteering system, in described well geosteering system, can by sensor measure in real time near drilling bit with brill geologic information, described sensor can send described well geosteering system by what measure with brill geologic information by electromagnetic wave or cable, described well geosteering system can be sent to ground by described with brill geologic information by mud-pulse, for controllers or guiding personnel reference.It should be noted that, described well geosteering system can be sent to ground by measuring the geologic information obtained in real time.
In another embodiment of the present invention, described well geosteering system can comprise: motor, resistivity tool, gamma eye, geometric parameter logging instrument.Correspondingly, described geologic information can comprise following at least one: hole angle, azimuth, formation resistivity, gas logging curve, natural gamma, the pressure of the drill, moment of torsion, fluid pressure, mud density, formation porosity etc.
State geologic information according to institute with brill, described ground cytoplasmic mutation position in this region and the geologic feature of described ground cytoplasmic mutation can be determined.Such as, formation resistivity values can distinguish the lithology on described stratum, by the formation resistivity values measured in real time, can determine the lithology of drilling bit position, thus can judge the position that lithology sudden change occurs.In another embodiment, according to described with brill geologic information, the geologic feature of ground cytoplasmic mutation can be obtained, such as, turn-off size and the tendency of described tomography can be determined by obtaining hole angle, azimuth, the stratigraphic dip of described microstructures can also be determined according to hole angle, azimuth.
Step S3: according to position and the geology mutation type of described ground cytoplasmic mutation, adjust the drilling direction of described drilling bit.
After determining the position of described ground cytoplasmic mutation, according to the geologic feature of described ground cytoplasmic mutation, the drilling direction of described drilling bit can be adjusted.In one embodiment of the invention, when described ground cytoplasmic mutation comprises lithology sudden change, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described seismic data and with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
Particularly, in one embodiment of the invention, can be cut into slices and section by observed object reservoir two-dimension earthquake data section and/or 3-d seismic data set, drilling direction be chosen the reservoir that thickness is greater than first threshold, determines interface, top and the bottom interface of described reservoir.The area that, cross direction profiles thicker for reservoir is more stable, interface, top, bottom interface can be top (end) faces of single sand body; Thinner for reservoir, cross directional variations is regional faster, interface, top, bottom interface can be the lines in top (end) face of multiple sand body, sand body is discontinuous position laterally, and interface, top, bottom interface can connect according to the Trendline in adjacent sand body top (end) face.In drill bit adjustment process, the position of drilling bit can be adjusted between interface, top and bottom interface, control described drilling bit and creep between the interface, top and bottom interface of described reservoir.Like this, can ensure that described drilling bit remains in target reservoir to creep into.Described first threshold can be not less than 5 meters.
In another embodiment of the present invention, when described ground cytoplasmic mutation comprises tomography, the described position according to described ground cytoplasmic mutation and geologic feature, adjust described stratigraphic dip drilling direction, comprising:
Determine the tendency of described tomography and the size of turn-off according to described with brill geologic information, described drilling bit is adjusted to the relevant position of another dish of described tomography.
Particularly, in one embodiment of the invention, if fault plane tilt, by relative position relation, usually the fault wall be positioned on fault plane can be called upper dish, under fault wall be called lower wall.Relative motion according to fault wall and fault plane divides, and the fault wall relatively risen along fault plane is called upthrow, and the end plate relatively declined is called downthrow block.After fault development,
on dishrelative decline,
lower wallthe tomography of relative rising claims normal fault; Otherwise,
upper dishrelative rising,
lower wallthe tomography of relative decline claims reverse fault.Can by observation two dimension or 3D seismic data, determine the tendency of described tomography, described tendency can comprise normal fault and reverse fault.Can also by described with brill geologic information, determine the turn-off of described tomography, described turn-off comprises the size of the displacement that same reservoir causes due to tomography.When determining that normal fault met by brill, the relation can be inclined to according to the drilling direction of horizontal well and tomography, determines the direction of well track track adjustment after brill reaches tomography.If tomography tendency is consistent with drilling direction, when drilling bit arrives tomography, can according to the downward adjust well track of turn-off size; If tomography tendency is contrary with drilling direction, when drilling bit arrives tomography, well track can be adjusted upward according to turn-off size.When determining that reverse fault met by brill, the relation can be inclined to according to the drilling direction of horizontal well and tomography, determines the direction of well track track adjustment after brill reaches tomography.If tomography tendency is consistent with drilling direction, when drilling bit arrives tomography, well track can be adjusted upward according to turn-off size; If tomography tendency is contrary with drilling direction, when drilling bit arrives tomography, can according to the downward adjust well track of turn-off size.
In another embodiment of the present invention, when described ground cytoplasmic mutation comprises microstructures, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
In one embodiment of the invention, by described with the resistivity in brill geologic information, hole angle and azimuth, the stratigraphic dip of described microstructures can be determined, adjusts the dilling angle of described drilling bit according to described stratigraphic dip.Particularly, if the stratigraphic dip entirety at net horizontal section place less (as close to zero), can before brill reaches the relatively high point of microstructures, from the position that the microstructures net horizontal section direction germinates, according to the situation of change at actual formation inclination angle, tune up hole angle gradually until the largest position of stratigraphic dip, and then progressively turn hole angle down until relatively high some place; After brill reaches relatively high point, according to the stratigraphic dip situation of change of a relatively high opposite side, then hole angle can be turned down further, until the position that the stratigraphic dip of a relatively high opposite side is maximum, and then progressively tune up hole angle, until bored the whole growth section of microstructures completely.If the stratigraphic dip entirety at net horizontal section place comparatively large (as more than 45 degree), hole angle is consistent with said method with the method for adjustment of horizontal well path, but the situation when changing condition due to the stratigraphic dip of microstructures is in this case less from above-mentioned stratigraphic dip entirety is different, therefore according to the change at actual formation inclination angle, the method for hole angle and the well track adjustment matched with it can be taked.
The present invention additionally provides a kind of horizontal well drilling track guiding device on the other hand, Fig. 2 is the modular structure schematic diagram of a kind of horizontal well drilling track guiding device provided by the invention, described horizontal well drilling track guiding device 20 comprises: predicting unit 21, position determination unit 22, drilling direction adjustment unit 23, wherein
Predicting unit 21, for according to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation;
Position determination unit 22, for when the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation;
Drilling direction adjustment unit 23, for according to the position of described ground cytoplasmic mutation and geology mutation type, adjusts the drilling direction of described drilling bit.
When described ground cytoplasmic mutation comprise lithology sudden change time, described drilling direction adjustment unit 23 for:
According to described seismic data and described with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
When described ground cytoplasmic mutation comprises tomography, described drilling direction adjustment unit 23 for:
According to described seismic data and described with brill geologic information, determine the tendency of described tomography and the size of turn-off, described drilling bit is adjusted to described tomography another dish relevant position.
When described ground cytoplasmic mutation comprises microstructures, described drilling direction adjustment unit 23 for:
According to described seismic data and described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
As shown in Figure 2, described predicting unit 21 also comprises:
Predictor unit 211, for the section of the geological model of oil accumulation according to described target reservoir, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section are predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
As can be seen here, the technical scheme of the embodiment of the present invention can in conjunction with the well-log information of geologic information, the region of spot cytoplasmic mutation in target of prediction reservoir in the seismic profile or earthquake three-dimensional data volume of whole target reservoir, the method for Optimization Prediction ground cytoplasmic mutation.By near Real-time Obtaining drilling bit with brill geologic information, determine described ground cytoplasmic mutation position in this region, to adjust drilling direction in time, drilling bit can be made to remain in target reservoir as far as possible, the Optimization Prediction ground method of cytoplasmic mutation.For different geology mutation problems, take corresponding drilling direction method of adjustment, improve the development efficiency of target reservoir.
As can be seen here, the technical scheme of a kind of azimuthal anisotropy velocity inversion method of the present invention and device can by making full use of wide-azimuth image gather data, azimuthal anisotropy speed is calculated after carrying out Residual moveout correction, not only increase the inversion accuracy of azimuthal anisotropy speed, use the road collection after correcting can also improve the pickup precision of lineups amplitude, thus obtain higher imaging precision further.
Each embodiment in this manual all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.Especially, for system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogicalblock) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in the embodiment of the present invention or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by the embodiment of the present invention can realize in any combination of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the telecommunication media in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a coaxial cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a horizontal well drilling track guidance method, is characterized in that, described method comprises:
According to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation;
When the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation;
According to position and the geology mutation type of described ground cytoplasmic mutation, adjust the drilling direction of described drilling bit.
2. a kind of horizontal well drilling track guidance method according to claim 1, is characterized in that, described geology mutation type comprise following at least one: lithology sudden change, tomography, microstructures.
3. a kind of horizontal well drilling track guidance method according to claim 2, is characterized in that, when described ground cytoplasmic mutation comprises lithology sudden change, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described seismic data and described with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
4. a kind of horizontal well drilling track guidance method according to claim 2, is characterized in that, when described ground cytoplasmic mutation comprises tomography, the described position according to described ground cytoplasmic mutation and geologic feature, adjust described stratigraphic dip drilling direction, comprising:
According to described seismic data and described with brill geologic information, determine the tendency of described tomography and the size of turn-off, described drilling bit is adjusted to described tomography another dish relevant position.
5. a kind of horizontal well drilling track guidance method according to claim 2, it is characterized in that, when described ground cytoplasmic mutation comprises microstructures, the described position according to described ground cytoplasmic mutation and geologic feature, adjust the drilling direction of described drilling bit, comprising:
According to described seismic data and described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
6. a kind of horizontal well drilling track guidance method according to claim 1, it is characterized in that, described according to the seismic data of target reservoir and the analysis processing result of geologic information, predict the region of net horizontal section spot cytoplasmic mutation in described target reservoir, comprising:
According to the section of the geological model of oil accumulation of described target reservoir, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section are predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
7. a horizontal well drilling track guiding device, is characterized in that, described device comprises:
Predicting unit, for according to the seismic data of target reservoir and the analysis processing result of geologic information, to determine in described target reservoir in net horizontal section the estimation range of cytoplasmic mutation;
Position determination unit, for when the drilling bit in described net horizontal section arrives described estimation range, according to obtain with brill geologic information, determine the position of described ground cytoplasmic mutation in described estimation range and the type of described ground cytoplasmic mutation;
Drilling direction adjustment unit, for according to the position of described ground cytoplasmic mutation and geology mutation type, adjusts the drilling direction of described drilling bit.
8. a kind of horizontal well drilling track guiding device according to claim 7, is characterized in that, described geology mutation type comprise following at least one: lithology sudden change, tomography, microstructures.
9. a kind of horizontal well drilling track guiding device according to claim 8, is characterized in that, when described ground cytoplasmic mutation comprises lithology sudden change, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, choose the reservoir that thickness on drilling direction is greater than first threshold, determine interface, top and the bottom interface of described reservoir, control the drilling direction of described drilling bit between the interface, top and bottom interface of described reservoir.
10. a kind of horizontal well drilling track guiding device according to claim 8, is characterized in that, when described ground cytoplasmic mutation comprises tomography, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, determine the tendency of described tomography and the size of turn-off, described drilling bit is adjusted to described tomography another dish relevant position.
11. a kind of horizontal well drilling track guiding devices according to claim 8, it is characterized in that, when described ground cytoplasmic mutation comprises microstructures, described drilling direction adjustment unit is used for:
According to described seismic data and described with brill geologic information, determine the stratigraphic dip of described microstructures, adjust the dilling angle of described drilling bit according to described stratigraphic dip.
12. a kind of horizontal well drilling track guiding devices according to claim 7, it is characterized in that, described predicting unit also comprises:
Predictor unit, for the section of the geological model of oil accumulation according to described target reservoir, two-dimension earthquake data section and/or 3-d seismic data set and section, described section or section is predicted the region of net horizontal section spot cytoplasmic mutation in described target reservoir.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121621A (en) * | 2016-07-15 | 2016-11-16 | 西南石油大学 | A kind of intelligent drilling specialist system |
| CN106169004A (en) * | 2016-07-15 | 2016-11-30 | 西南石油大学 | A kind of anti-collision well system automatically |
| CN106650036A (en) * | 2016-12-01 | 2017-05-10 | 中国石油天然气集团公司 | Horizontal well drilling method and device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804051A (en) * | 1987-09-25 | 1989-02-14 | Nl Industries, Inc. | Method of predicting and controlling the drilling trajectory in directional wells |
| CN102322256A (en) * | 2011-06-02 | 2012-01-18 | 中国石油天然气股份有限公司 | Horizontal well landing guidance method |
| CN104695862A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Drilling geological design method of compact sandstone lithology gas reservoir horizontal well |
| CN104847264A (en) * | 2015-05-05 | 2015-08-19 | 中国海洋石油总公司 | Method and device for achieving geological steering |
-
2015
- 2015-10-30 CN CN201510728175.9A patent/CN105298388A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804051A (en) * | 1987-09-25 | 1989-02-14 | Nl Industries, Inc. | Method of predicting and controlling the drilling trajectory in directional wells |
| CN102322256A (en) * | 2011-06-02 | 2012-01-18 | 中国石油天然气股份有限公司 | Horizontal well landing guidance method |
| CN104695862A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Drilling geological design method of compact sandstone lithology gas reservoir horizontal well |
| CN104847264A (en) * | 2015-05-05 | 2015-08-19 | 中国海洋石油总公司 | Method and device for achieving geological steering |
Non-Patent Citations (5)
| Title |
|---|
| 刘岩松等: "水平井地质导向方法", 《石油钻采工艺》 * |
| 刘振武等: "地震导向水平井方法与应用", 《石油地球物理勘探》 * |
| 石慧敏: "地震技术在水平井开发中的应用及效果", 《录井工程》 * |
| 陈家玺等: "地震资料在水平井部署及轨迹优化中的应用研究", 《江西化工》 * |
| 霍进等: "新疆油田水平井地质导向技术研究及应用", 《特种油气藏》 * |
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