CN105572746A - Method and device for determining drilling position - Google Patents
Method and device for determining drilling position Download PDFInfo
- Publication number
- CN105572746A CN105572746A CN201510920503.5A CN201510920503A CN105572746A CN 105572746 A CN105572746 A CN 105572746A CN 201510920503 A CN201510920503 A CN 201510920503A CN 105572746 A CN105572746 A CN 105572746A
- Authority
- CN
- China
- Prior art keywords
- drilled
- target work
- area
- work area
- fracture
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 43
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 75
- 239000011435 rock Substances 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000011161 development Methods 0.000 claims abstract description 19
- 208000035126 Facies Diseases 0.000 claims description 20
- 238000005260 corrosion Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 abstract description 16
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 15
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 10
- 238000004458 analytical method Methods 0.000 abstract description 7
- 208000010392 Bone Fractures Diseases 0.000 description 45
- 206010017076 Fracture Diseases 0.000 description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 241001074085 Scophthalmus aquosus Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 125000001183 hydrocarbyl group Chemical group 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010430 carbonatite Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000840537 Vaughanites Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The embodiment of the invention provides a method and a device for determining a drilling position. The method comprises the following steps: determining a region to be drilled according to analysis and processing of geological data of a fracture-cave type carbonate target work area; determining the development position and connectivity of the slot body of the area to be drilled according to the three-dimensional seismic data body of the area to be drilled; determining the hydrocarbon content of the fracture-cavity body according to the development position of the fracture-cavity body and the logging data; and selecting a high-structure part of the fracture-cavity body which is not communicated with the water channel and contains hydrocarbon as oil gas as a drilling position. The method provided by the embodiment of the invention is used for selecting the drilling position, so that the oil-gas rate of the drilling drill can be improved, and the oil-gas exploration efficiency of the fracture-cavity carbonate rock target work area is improved.
Description
Technical field
The present invention relates to exploration geology assessment technique field, particularly relate to a kind of method and the device of determining drilling well position.
Background technology
In recent years, rapidly, the marine carbonate sequence extensive development such as Tarim Basin, the Sichuan Basin, Ordos Basin, develop a large amount of carbonatite oil gas field in domestic Marine Carbonate Rocks oil-gas exploration development.Carbonatite oil gas field has following characteristics: oil gas is the accurate layered distribution of large area, and reserves scale is large but abundance is lower, and oil reservoir amplitude can reach km; Reservoir is to stitch hole type, and nonuniformity is stronger; The oil and gas and water opposite sex is poor, is difficult to form unified oil gas water interface.The These characteristics of carbonatite oil gas field is that oil-gas exploration brings great challenge, especially the choosing of position, well point, oil gas rate met by the determination of position, well point and the brill of oil gas field comparatively close relationship, and choosing of position, well point is more accurate, and brill chance oil gas rate is higher.
The compositions such as the crack that the reservoir space of fracture-cavity type carbonate reservoir is formed primarily of the buried channel of corrosion hole, filling completely, unconformity surface, stages of fragmentation.There is the multiple seepage configurations such as Darcy Flow, Non-Darcy's flow and Guan Liu in the fluid in fracture-cavity type carbonate reservoir.Due to carbonate reservoir seam hole between connectedness poor, oily gas column height is usually in 50 meters, and the buoyancy of oil gas post is generally not enough to overcome hollow billet resistance, thus causes the not obvious and oil gas water interface of oil gas water gravity segregation inconsistent.Therefore, the prediction before drilling difficulty of fracture-cavity type carbonate reservoir is comparatively large, and its oil, gas, water distribution are complicated, are in particular in following several respects: reserves abundance is lower; Oil and gas phase enriches, and oil-production capacity changes greatly; The high-yield and high-efficiency well of 10% ~ 20% account for more than 70% of total production; Relatively independent oily storage unit composite stack in flakes; Hypotonic heterogeneous reservoir architectural feature causes oil and gas and water different not obvious; Oil gas, being longitudinally similar to layered distribution, has unified normal temperature and pressure system.
At present, in fracture-cavity type carbonate reservoir, in prior art, determine that drilling well position is mainly according to history drilling experience, exists larger randomness, usually need to carry out repeatedly drilling well and just can bore the oil well of meeting hydrocarbon content and enriching.Therefore, in prior art, the drilling cost of fracture-cavity type carbonate reservoir is higher, and brill chance oil gas rate is lower, needs a kind of fracture-cavity type carbonate reservoir that improves badly and bores the method for meeting oil gas rate.
Summary of the invention
The object of the application is to provide a kind of method and apparatus determining drilling well position, meets oil gas rate, reduce drilling cost with the brill improving fracture-cavity type carbonate reservoir.
To achieve these goals, this application provides a kind of method and the device of determining drilling well position, described method and device are specifically achieved in that
Determine a method for drilling well position, described method comprises:
According to the analyzing and processing of the geologic information to fracture-cavity type carbonate target work area, determine well area to be drilled;
According to the 3-d seismic data set of described well area to be drilled, determine development position and the connectedness of the seam hole body of described well area to be drilled;
According to development position and the log data of described seam hole body, determine the hydrocarbonaceous amount of described seam hole body;
Choose and not lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position.
Optionally, in one embodiment of the present of invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, determining the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
Optionally, in one embodiment of the present of invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
Optionally, in one embodiment of the present of invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
Optionally, in one embodiment of the present of invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, there is the region of fine and close cap rock as well area to be drilled using in described target work area.
Determine a device for drilling well position, described device comprises:
Well area determining unit to be drilled, for according to the analyzing and processing to the geologic information in fracture-cavity type carbonate target work area, determines well area to be drilled;
Seam hole body parameter determination unit, for the 3-d seismic data set according to described well area to be drilled, determines development position and the connectedness of the seam hole body of described well area to be drilled;
Hydrocarbonaceous amount detection unit, for according to the development position of described seam hole body and log data, determines the hydrocarbonaceous amount of described seam hole body;
Drilling well position determination unit, not to lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position for choosing.
Optionally, in one embodiment of the present of invention, described well area determining unit to be drilled, comprising:
Sedimentary facies belt determining unit, for the geologic information according to fracture-cavity type carbonate target work area, determines the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
Optionally, in one embodiment of the present of invention, described well area determining unit to be drilled, comprising:
Solution cavity chooses unit, for the geologic information according to fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
Optionally, in one embodiment of the present of invention, described well area determining unit to be drilled, comprising:
Strike-slip faulted determining unit, for the geologic information according to fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
Optionally, in one embodiment of the present of invention, described well area determining unit to be drilled, comprising:
Fine and close cap rock determining unit, for the geologic information according to fracture-cavity type carbonate target work area, has the region of fine and close cap rock as well area to be drilled using in described target work area.
As can be seen here, the technical scheme of the method and apparatus of determination drilling well position of the present invention by the geologic information in conjunction with fracture-cavity type carbonate target work area, choose be conducive to Hydrocarbon Formation Reservoirs in described target work area region as well area to be drilled.Again according to 3-d seismic data set and well-log information, not lead to ditch in described well area to be drilled and hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as final drilling well position.Adopt embodiment of the present invention method to choose drilling well position, drilling well can be improved and bore chance oil gas rate, accelerate the hydrocarbon exploration efficiency in fracture-cavity type carbonate target work area.
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 determining a kind of embodiment of drilling well location method provided by the invention;
Fig. 2 is the modular structure schematic diagram determining a kind of embodiment of drilling well location means provided by the invention;
Fig. 3 is the modular structure schematic diagram of a kind of embodiment of well area determining unit to be drilled provided by the invention.
Embodiment
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.
Fig. 1 is the method flow diagram determining a kind of embodiment of drilling well location method provided by the invention, and described method comprises:
S1: according to the analyzing and processing of the geologic information to fracture-cavity type carbonate target work area, determine well area to be drilled.
The work area of target described in the present embodiment can be fracture-cavity type carbonate geologic structure.The feature of fracture-cavity type carbonate is complex pore structure, and nonuniformity is strong, and connected relation is complicated, and can be affects Gas Accumulation and a point different key factor.The reservoir interior oil air water gravity segregation be communicated with crack in fracture-cavity type carbonate is obvious, but the pore throat characteristic of hyposmosis cause divide with hole weakly connected reservoir internal flow different not obvious and oil gas water interface is inconsistent.Large area seam hole type heterogeneous carbonate oil gas field can form by a series of compound small-sized hydrocarbon-bearing pool group is in flakes stacked, and the oil and water zonation in oil gas field not exclusively controls by local structure, lacks clear and definite border.
The geologic information in the work area of target described in the present embodiment comprises rock core information and log data, and described geologic information can be obtained by the observation of outcrop in described target work area or drill cores profile analysis.Room is to the analysis of rock sample, test and research by experiment, and can obtain the reservoir parameter of different lithology in described target work area, described reservoir parameter can comprise factor of porosity, containing fluid properties, speed, density etc.Area and analysis and research are spatially carried out to the drill cores in target work area, log data, the change on direction in length and breadth of the structure in described target work area, depth of stratum, releasing relation and lithological combination can be obtained.
In one embodiment of the invention, the analyzing and processing of the described geologic information to fracture-cavity type carbonate target work area, determine well area to be drilled, comprising:
According to the geologic information in fracture-cavity type carbonate target work area, determining the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
Due to the difference of sedimentary environment, in different sedimentary facies belts, the condition of oil gas reservoir and preservation is also different, and therefore, the sedimentary facies belt in described target work area can reflect that its oily preserves ability.The principal character of carbonate platform phase is: the lithology particle formed under high-energy environment is comparatively large, and sorting is higher, is beneficial to later stage karst transformation thus forms reservoir.Above-mentioned feature becomes the advantage that carbonate platform forms hydrocarbon-bearing pool mutually.In the present invention, using sedimentary facies belt be the region of carbonate platform phase as well area to be drilled, oil gas rate met by the brill that can improve hydrocarbon-bearing pool.
In another embodiment of the present invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
Secondary corrosion hole can generate after the depositional stage of fracture-cavity type carbonate, is the important reservoir space of fracture-cavity type carbonate.Configuration can generating network seam_cavern type mutually in three dimensions for the unitized construction in secondary corrosion hole and crack, and described unitized construction forms the advantage of oil-gas storage.In the present invention, by the region that is unitized construction using secondary corrosion hole and crack as well area to be drilled, oil gas rate met by the brill that can improve hydrocarbon-bearing pool.
In another embodiment of the present invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
Strike-slip faulted can comprise straight broken string, the section risen steeply and narrower distributed fault.The continuously active of Strike-slip faulted can promote cracking initiation and stitch being communicated with of hole, thus improves the storage and collection performance of reservoir.The later stage activity mainly oil-gas migration also filled passage of Strike-slip faulted, therefore, is conducive to the Aggregation indica of oil gas in the position that distance Strike-slip faulted is nearer.In the present embodiment, can using the region of distance Strike-slip faulted in preset range as well area to be drilled.Described preset value can comprise and be not more than 2000 meters.
In another embodiment of the present invention, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, there is the region of fine and close cap rock as well area to be drilled using in described target work area.
Described fine and close cap rock is generally positioned on reservoir, can packing reservoir, makes oil gas wherein avoid scattering and disappearing and volatilization.Described fine and close cap rock can comprise: mud stone, shale, evaporitic rock, vaughanite, and in the present embodiment, described fine and close cap rock is preferably evaporitic rock and vaughanite.In the present embodiment, the region of fine and close cap rock can be had as well area to be drilled using in described target work area, be conducive to the gathering of oil gas in reservoir and preservation.
In the present embodiment, according to the geologic information in fracture-cavity type carbonate target work area, determine sedimentary facies belt be carbonate platform phase, using secondary corrosion hole and crack be unitized construction, distance Strike-slip faulted in preset value, have the region of fine and close cap rock as well area to be drilled, reduce the scope determining drilling well position on the whole, choose the region being conducive to hydrocarbon-bearing pool and storing, oil gas rate met by the brill improving drilling well.
S2: according to the 3-d seismic data set of described well area to be drilled, determines development position and the connectedness of the seam hole body of described well area to be drilled.
According to the 3-d seismic data set of the well area to be drilled chosen in step S1, can utilize seismic data analysis software, such as, in LANDMARK software, GEOPROBE module determines the seismic wave waveform stitching hole body in described well area to be drilled.Seismic facies analysis can be carried out to reservoir according to described seismic wave waveform, thus can opposite joint hole body profile carry out identifying, geometry modeling, quantize concrete development position, space structure, the scale of described seam hole body.
The connectedness of seam hole body can affect the oil and gas reserves in the body of seam hole, can also determine the connectedness of described seam hole body according to described seismic wave waveform.In embodiments of the present invention, the seam hole body do not led to ditch can be the advantage of Hydrocarbon Formation Reservoirs.Particularly, by analysis means such as well logging, boring sample thin slice Microscopic observations, the size of the seam hole body mesostroma hole of described well area to be drilled can be determined, thus determines the connectedness of the seam hole body of described well area to be drilled.
S3: according to development position and the log data of described seam hole body, determine the hydrocarbonaceous amount of described seam hole body.
Usually, the potpourri that is all made up of multiple hydro carbons and non-hydrocarbonaceous materials of former oil and gas.Hydrocarbon-bearing pool in carbonate rock fractured cave body is in generative process, and due to the effect of air pressure, temperature, oily is generally not identical with the hydrocarbonaceous amount in moisture seam hole body.Therefore, by measuring the hydrocarbonaceous amount in the body of seam hole, the oily situation in the body of described seam hole can be determined.In embodiments of the present invention, according to the development position of described seam hole body, horizon calibration can be carried out in 3-d seismic data set.According to the reflectance signature of described horizon calibration in conjunction with described 3D seismic data, 3-D seismic interpretation and the interpretation horizon data of described well area to be drilled can be obtained.According to described 3-D seismic interpretation, interpretation horizon data and well-log information, pre-stack seismic inversion can be carried out to described well area to be drilled, and utilize the hydrocarbonaceous amount of stitching hole body described in the parameter decisions such as the Poisson ratio in well-log information.
S4: choose and not lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position.
According to the method for step S2, can determine the connectedness of the seam hole body of described well area to be drilled, according to above-mentioned analysis, the seam hole body do not led to ditch can be the advantage of Hydrocarbon Formation Reservoirs.According to the method for step S3, according to development position and the log data of described seam hole body, the hydrocarbonaceous amount of described seam hole body can be determined.In one embodiment of the invention, can choose that described well area to be drilled is this does not lead to ditch and described hydrocarbonaceous amount is the scope of seam hole body as drilling well position of oil gas.Usually, seam hole body stitches hole aggregate for primary structure, and area coverage is larger.Because the density of oil gas is less, therefore most of oil gas is gathered in the structure high-order bit of seam hole body.In the present embodiment, the structure high-order bit of seam hole body can be chosen as final drilling well position.Subsequently, drilling bit can reserve the height of water avoidance of predetermined threshold value after drilling the structure high-order bit of described seam hole body, to improve oil pump capacity.
The present invention also provides a kind of device determining drilling well position on the other hand, Fig. 2 is the modular structure schematic diagram determining a kind of embodiment of drilling well location means provided by the invention, by reference to the accompanying drawings 2, this device 20 comprises: well area determining unit 21 to be drilled, seam hole body parameter determination unit 22, hydrocarbonaceous amount detection unit 23, drilling well position determination unit 24, wherein
Well area determining unit 21 to be drilled, for according to the analyzing and processing to the geologic information in fracture-cavity type carbonate target work area, determines well area to be drilled;
Seam hole body parameter determination unit 22, for the 3-d seismic data set according to described well area to be drilled, determines development position and the connectedness of the seam hole body of described well area to be drilled;
Hydrocarbonaceous amount detection unit 23, for according to the development position of described seam hole body and log data, determines the hydrocarbonaceous amount of described seam hole body;
Drilling well position determination unit 24, not to lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position for choosing.
Fig. 3 is the modular structure schematic diagram of a kind of embodiment of well area determining unit 21 to be drilled provided by the invention, and described well area determining unit 21 to be drilled can also comprise:
Sedimentary facies belt determining unit 31, for the geologic information according to fracture-cavity type carbonate target work area, determines the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
Solution cavity chooses unit 32, for the geologic information according to fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
Strike-slip faulted determining unit 33, for the geologic information according to fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
Fine and close cap rock determining unit 34, for the geologic information according to fracture-cavity type carbonate target work area, has the region of fine and close cap rock as well area to be drilled using in described target work area.
As can be seen here, the technical scheme of the method and apparatus of determination drilling well position of the present invention by the geologic information in conjunction with fracture-cavity type carbonate target work area, choose be conducive to Hydrocarbon Formation Reservoirs in described target work area region as well area to be drilled.Again according to 3-d seismic data set and well-log information, not lead to ditch in described well area to be drilled and hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as final drilling well position.Utilize embodiment of the present invention method to choose drilling well position, drilling well can be improved and bore chance oil gas rate, accelerate the hydrocarbon exploration efficiency in fracture-cavity type carbonate target work area.
Each embodiment in this instructions 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 device 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.
Although depict the application by embodiment, those of ordinary skill in the art know, the application has many distortion and change and do not depart from the spirit of the application, and the claim appended by wishing comprises these distortion and change and do not depart from the spirit of the application.
Foregoing description in the application involved by each embodiment is only the application in some embodiments in the application, and on the basis of some standard, model, method, amended slightly embodiment also can carry out the scheme of each embodiment of above-mentioned the application.Certainly, meet the process method step described in the application's the various embodiments described above other without creationary distortion, still can realize identical application, not repeat them here.
Although this application provides the method operation steps as described in embodiment or process flow diagram, based on conventional or more or less operation steps can be comprised without performing creative labour.The sequence of steps enumerated in embodiment is only a kind of mode in numerous step execution sequence, does not represent unique execution sequence.When device in practice or client production perform, can perform or executed in parallel (environment of such as parallel processor or multiple threads) according to embodiment or method shown in the drawings order.
The device that above-described embodiment is illustrated or module, specifically can be realized by computer chip or entity, or be realized by the product with certain function.For convenience of description, various module is divided into describe respectively with function when describing above device.The function of each module can be realized in same or multiple software and/or hardware when implementing the application.Certainly, also the module realizing certain function can be combined realization by multiple submodule or subelement.
Method described in the application, device or module can realize controller in computer readable program code mode and realize by any suitable mode, such as, controller can be taked such as microprocessor or processor and store the computer-readable medium of the computer readable program code (such as software or firmware) that can be performed by this (micro-) processor, logic gate, switch, special IC (ApplicationSpecificIntegratedCircuit, ASIC), the form of programmable logic controller (PLC) and embedding microcontroller, the example of controller includes but not limited to following microcontroller: ARC625D, AtmelAT91SAM, MicrochipPIC18F26K20 and SiliconeLabsC8051F320, Memory Controller can also be implemented as a part for the steering logic of storer.Those skilled in the art also know, except realizing except controller in pure computer readable program code mode, controller can be made to realize identical function with the form of logic gate, switch, special IC, programmable logic controller (PLC) and embedding microcontroller etc. by method step being carried out programming in logic completely.Therefore this controller can be considered to a kind of hardware component, and to the structure that also can be considered as the device realizing various function in hardware component that its inside comprises.Or even, the device being used for realizing various function can be considered as not only can be implementation method software module but also can be structure in hardware component.
Part of module in device described in the application can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure, class etc. that perform particular task or realize particular abstract data type.Also can put into practice the application in a distributed computing environment, in these distributed computing environment, be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required hardware by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, also can by embodying in the implementation process of Data Migration.This computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, mobile terminal, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
Each embodiment in this instructions adopts the mode of going forward one by one to describe, between each embodiment same or analogous part mutually see, what each embodiment stressed is the difference with other embodiments.The application can be used in numerous general or special purpose computing system environments or configuration in whole or in part.Such as: personal computer, server computer, handheld device or portable set, laptop device, mobile communication terminal, multicomputer system, the system based on microprocessor, programmable electronic equipment, network PC, small-size computer, mainframe computer, the distributed computing environment comprising above any system or equipment etc.
Although depict the application by embodiment, those of ordinary skill in the art know, the application has many distortion and change and do not depart from the spirit of the application, and the claim appended by wishing comprises these distortion and change and do not depart from the spirit of the application.
Claims (10)
1. determine a method for drilling well position, it is characterized in that, described method comprises:
According to the analyzing and processing of the geologic information to fracture-cavity type carbonate target work area, determine well area to be drilled;
According to the 3-d seismic data set of described well area to be drilled, determine development position and the connectedness of the seam hole body of described well area to be drilled;
According to development position and the log data of described seam hole body, determine the hydrocarbonaceous amount of described seam hole body;
Choose and not lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position.
2. a kind of method determining drilling well position according to claim 1, is characterized in that, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, determining the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
3. a kind of method determining drilling well position according to claim 1, is characterized in that, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
4. a kind of method determining drilling well position according to claim 1, is characterized in that, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
5. a kind of method determining drilling well position according to claim 1, is characterized in that, described basis, to the analyzing and processing of the geologic information in fracture-cavity type carbonate target work area, is determined well area to be drilled, being comprised:
According to the geologic information in fracture-cavity type carbonate target work area, there is the region of fine and close cap rock as well area to be drilled using in described target work area.
6. determine a device for drilling well position, it is characterized in that, described device comprises:
Well area determining unit to be drilled, for according to the analyzing and processing to the geologic information in fracture-cavity type carbonate target work area, determines well area to be drilled;
Seam hole body parameter determination unit, for the 3-d seismic data set according to described well area to be drilled, determines development position and the connectedness of the seam hole body of described well area to be drilled;
Hydrocarbonaceous amount detection unit, for according to the development position of described seam hole body and log data, determines the hydrocarbonaceous amount of described seam hole body;
Drilling well position determination unit, not to lead to ditch and described hydrocarbonaceous amount is that the structure high-order bit of the seam hole body of oil gas is as drilling well position for choosing.
7. a kind of device determining drilling well position according to claim 6, is characterized in that, described well area determining unit to be drilled, comprising:
Sedimentary facies belt determining unit, for the geologic information according to fracture-cavity type carbonate target work area, determines the sedimentary facies belt in described target work area, is that the region of carbonate platform phase is as well area to be drilled using sedimentary facies belt.
8. a kind of device determining drilling well position according to claim 6, is characterized in that, described well area determining unit to be drilled, comprising:
Solution cavity chooses unit, for the geologic information according to fracture-cavity type carbonate target work area, by described target work area using the region that secondary corrosion hole and crack are unitized construction as well area to be drilled.
9. a kind of device determining drilling well position according to claim 6, is characterized in that, described well area determining unit to be drilled, comprising:
Strike-slip faulted determining unit, for the geologic information according to fracture-cavity type carbonate target work area, using the region of described target work area middle distance Strike-slip faulted in preset value as well area to be drilled.
10. a kind of device determining drilling well position according to claim 6, is characterized in that, described well area determining unit to be drilled, comprising:
Fine and close cap rock determining unit, for the geologic information according to fracture-cavity type carbonate target work area, has the region of fine and close cap rock as well area to be drilled using in described target work area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920503.5A CN105572746A (en) | 2015-12-11 | 2015-12-11 | Method and device for determining drilling position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920503.5A CN105572746A (en) | 2015-12-11 | 2015-12-11 | Method and device for determining drilling position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105572746A true CN105572746A (en) | 2016-05-11 |
Family
ID=55883087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920503.5A Pending CN105572746A (en) | 2015-12-11 | 2015-12-11 | Method and device for determining drilling position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105572746A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324354A (en) * | 2018-08-30 | 2019-02-12 | 中国石油天然气股份有限公司 | Method, device and system for determining sand body connectivity |
| CN110941027A (en) * | 2018-09-21 | 2020-03-31 | 潜能恒信能源技术股份有限公司 | Method and system for calculating carbonate karst etching hole type geothermal energy reserves |
| CN110941028A (en) * | 2018-09-21 | 2020-03-31 | 潜能恒信能源技术股份有限公司 | Method and system for positioning carbonate karst etching hole type geothermal energy reservoir |
| CN111273342A (en) * | 2018-12-05 | 2020-06-12 | 中国石油天然气股份有限公司 | Prediction method and device for carbonate rock fracture-cave body and terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007092596A2 (en) * | 2006-02-09 | 2007-08-16 | Schlumberger Canada Limited | Methods and apparatus for predicting the hydrocarbon production of a well location |
| CN101236257A (en) * | 2007-02-02 | 2008-08-06 | 天津方联科技发展有限公司 | Oil well location determination technical method |
| CN101872024A (en) * | 2010-06-02 | 2010-10-27 | 中国海洋石油总公司 | Method for carrying out well design by using time-lapse seismic |
| CN104834007A (en) * | 2015-05-04 | 2015-08-12 | 中国石油天然气股份有限公司 | Method for calculating filling degree of carbonate fracture-cave reservoir in seismic inversion process |
-
2015
- 2015-12-11 CN CN201510920503.5A patent/CN105572746A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007092596A2 (en) * | 2006-02-09 | 2007-08-16 | Schlumberger Canada Limited | Methods and apparatus for predicting the hydrocarbon production of a well location |
| CN101236257A (en) * | 2007-02-02 | 2008-08-06 | 天津方联科技发展有限公司 | Oil well location determination technical method |
| CN101872024A (en) * | 2010-06-02 | 2010-10-27 | 中国海洋石油总公司 | Method for carrying out well design by using time-lapse seismic |
| CN104834007A (en) * | 2015-05-04 | 2015-08-12 | 中国石油天然气股份有限公司 | Method for calculating filling degree of carbonate fracture-cave reservoir in seismic inversion process |
Non-Patent Citations (6)
| Title |
|---|
| 孟书翠 等: "轮古西地区碳酸盐岩油藏特征与失利井研究", 《西南石油大学学报（自然科学版）》 * |
| 张保涛 等: "塔中北斜坡富油气区油气分布规律与富集主控因素研究", 《地学前缘（中国地质大学（北京）；北京大学）》 * |
| 朱光有 等: "塔里木盆地哈拉哈塘地区碳酸盐岩油气地质特征与富集成藏研究", 《岩石学报》 * |
| 杜金虎 等: "《碳酸盐岩岩溶储层描述关键技术》", 30 June 2013, 石油工业出版社 * |
| 金强 等: "塔河油田岩溶型碳酸盐岩缝洞单元综合评价", 《石油实验地质》 * |
| 闻玉贵 等: "《低幅度薄互层边底水油藏开发理论与实践》", 30 September 2010, 石油工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324354A (en) * | 2018-08-30 | 2019-02-12 | 中国石油天然气股份有限公司 | Method, device and system for determining sand body connectivity |
| CN109324354B (en) * | 2018-08-30 | 2021-03-30 | 中国石油天然气股份有限公司 | Method, device and system for determining sand body connectivity |
| CN110941027A (en) * | 2018-09-21 | 2020-03-31 | 潜能恒信能源技术股份有限公司 | Method and system for calculating carbonate karst etching hole type geothermal energy reserves |
| CN110941028A (en) * | 2018-09-21 | 2020-03-31 | 潜能恒信能源技术股份有限公司 | Method and system for positioning carbonate karst etching hole type geothermal energy reservoir |
| CN110941027B (en) * | 2018-09-21 | 2022-03-22 | 潜能恒信能源技术股份有限公司 | Method and system for calculating carbonate karst etching hole type geothermal energy reserves |
| CN110941028B (en) * | 2018-09-21 | 2022-03-25 | 潜能恒信能源技术股份有限公司 | Method and system for positioning carbonate karst etching hole type geothermal energy reservoir |
| CN111273342A (en) * | 2018-12-05 | 2020-06-12 | 中国石油天然气股份有限公司 | Prediction method and device for carbonate rock fracture-cave body and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2974979C (en) | Multi-phase polymer apparent viscosity determination in polymer coreflood simulation study workflow | |
| CN110412661B (en) | Evaluation method and device for dominant segment cluster of fine-grained rock oil and gas reservoir dessert segment | |
| US9910938B2 (en) | Shale gas production forecasting | |
| EP3371628A1 (en) | Generation of fault displacement vector and/or fault damage zone in subsurface formation using stratigraphic function | |
| Milad et al. | Impact of lithofacies variations and structural changes on natural fracture distributions | |
| CN110056346B (en) | Oil reservoir three-dimensional original water saturation simulation method based on trend change function | |
| CN107589469B (en) | Method and device for determining oil-water interface | |
| CN104834003B (en) | Phased compression coefficient earthquake prediction method for unconventional tight reservoir | |
| CN105572746A (en) | Method and device for determining drilling position | |
| KR101708599B1 (en) | Modeling method for gas content of cbm reservoir rocks | |
| CN110632657B (en) | Mudstone smearing type fault sealing analysis method and device | |
| CN102906600A (en) | Method of prospecting directly for free gas in stratum | |
| CN106249300B (en) | Method and device for determining TOC content and heterogeneity of source rock based on well-seismic combination | |
| CN106285642A (en) | A kind of formation pore pressure Forecasting Methodology based on seismic data | |
| EP4347996A1 (en) | Unconventional well gas to oil ratio characterization | |
| CN106032751B (en) | A kind of wellbore trace rock phase scaling method | |
| Abeed et al. | Modeling of petrophysical properties and reserve estimation of Mishrif formation-Garraf oil field | |
| Gao et al. | Fracability evaluation of lacustrine shale in the Yanchang Formation of southeastern Ordos Basin | |
| Mahmood et al. | Construction of comprehensive geological model for an Iraqi Oil Reservoir | |
| CN106154342B (en) | A kind of method of determining cavern filling object resistivity | |
| CN106869915B (en) | Horizontal well interval interlayer prediction method and device | |
| CA2818464C (en) | Shale gas production forecasting | |
| Stright et al. | Modeling, upscaling and history matching thin, irregularly-shaped flow barriers: A comprehensive approach for predicting reservoir connectivity | |
| CN110688781A (en) | Well logging interpretation method for low-permeability heterogeneous gas reservoir | |
| CN111027780B (en) | Oil potential field simulation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |