CN107832574A - A kind of horizontal well Geologic analysis method based on well logging - Google Patents
A kind of horizontal well Geologic analysis method based on well logging Download PDFInfo
- Publication number
- CN107832574A CN107832574A CN201710848298.5A CN201710848298A CN107832574A CN 107832574 A CN107832574 A CN 107832574A CN 201710848298 A CN201710848298 A CN 201710848298A CN 107832574 A CN107832574 A CN 107832574A
- Authority
- CN
- China
- Prior art keywords
- resistivity
- layer
- real time
- logging
- reaming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of horizontal well Geologic analysis method based on well logging, including：First with the horizontal wellbore logging data of block formation testing, read level section is with brill real time resistance rate and reaming repetition measurement resistivity；Then resistivity logging while drilling invasion character factor Q value is built, calculates Q values respectively and with brill real time resistance rate and reaming resistivity ratio R；Resistivity logging while drilling invasion character factor Q value is established with real time resistance rate and reaming resistivity ratio R cross plots is bored, determining oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer (or water layer) boundary region according to formation testing conclusion point series；The new horizontal well drilling fluid properties of a bite are differentiated.The present invention realizes the size for not considering resistivity absolute value, differentiate fluid properties by expanding with the intrusion difference between real time resistance rate and reaming resistivity is bored, influence of the factors such as Reservoir anisotropy, confined pressure, environment to horizontal well resistivity is reduced, can accurately and reliably identify horizontal well fluid properties.
Description
Technical field
The invention belongs to the responsible oil-gas reservoir properties of fluid in bearing stratum logging evaluation technical field in oil exploration, it is related to one kind
Horizontal well Geologic analysis method based on well logging.
Background technology
Fluid properties contained by reservoir are the important contents of well log interpretation evaluation, and the evaluation of usual properties of fluid in bearing stratum is mainly led to
Electrical log is crossed, generally judges fluid properties using the size of reservoir resistivity value, i.e.,
In formula：RT is reservoir resistivity；RO is region resistivity reservoir lower limit；RW is the regional water layer resistivity upper limit
Value.
The judgement of Water Flooding Layer fluid properties is typically also the size judgement according to reservoir resistivity value, while is derived
The characteristic parameter calculated based on reservoir resistivity, such as：By Archie formula calculate reservoir water saturation, using containing
Water saturation size judges Water Flooding Layer；On the basis of water saturation calculating, with reference to the constraint water saturation of other method determination
The parameters such as degree, residual oil saturation and profit viscosity calculate reservoir producing water ratio and oil displacement efficiency to judge Water Flooding Layer, these methods
All it is the size using resistivity absolute value.
Because measured resistivity is influenceed by Reservoir anisotropy, country rock etc. in horizontal well, cause measured resistivity not
Fluid properties can be accurately reflected, the horizontal well fluid properties judged using above method have larger error, lead to not standard
Really identification horizontal well Water Flooding Layer, causes the confidence level of well log interpretation to decline.
The content of the invention
To solve drawbacks described above present in prior art, it is an object of the invention to provide a kind of based on well logging
Horizontal well Geologic analysis method, it is electric with reaming with real time resistance rate is bored by expanding not based on the size of resistivity absolute value
Intrusion difference between resistance rate differentiates fluid properties, reduces the factors such as Reservoir anisotropy, confined pressure, environment to horizontal well electricity
The influence of resistance rate, it can accurately and reliably identify horizontal well fluid properties.
The present invention is realized by following technical proposals.
A kind of horizontal well Geologic analysis method based on well logging, comprises the following steps：
Step 101, first with the horizontal wellbore logging data of block formation testing, read level section with bore real time resistance rate with
Reaming repetition measurement resistivity；
Step 102, resistivity logging while drilling invasion character factor Q value is built, it is real with boring using the Pressure Curve in Oil Testing Well horizontal segment got
When resistivity and reaming repetition measurement resistivity, calculate respectively resistivity logging while drilling invasion character factor Q value and with bore real time resistance rate with
Reaming resistivity ratio R；
Step 103, resistivity logging while drilling invasion character factor Q value is established and with brill real time resistance according to formation testing conclusion point series
Rate and reaming resistivity ratio R cross plots, and determine on cross plot oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer (or
Water layer) boundary region；
Step 104, for the new well of properties of fluid in bearing stratum to be identified, calculated respectively using its horizontal well well logging data
Q values and R values, obtain oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer or water layer boundary region in conjunction with step 103 and judge mesh
Laminar flow volume property.
Further, the step 101, collecting zone is interior to be carried out with the horizontal survey for boring real time resistance rate and reaming resistivity
Well data, and be the reservoir verified by formation testing, obtain the resistivity value of representative different layers position.
Further, described representative different layers position refers to comprising oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, height
Water Flooding Layer (or water layer) if dried layer position.
Further, the step 102, resistivity logging while drilling invasion character factor Q value with boring real time resistance rate and reaming
Resistivity ratio R is calculated by below equation：
In formula：RReservoirFor the purpose of layer with the deep resistivity that measures in real time of brill；RCountry rockFor the target zone country rock measured in real time with brill
Resistivity；RIt is most shallow real-timeFor the purpose of layer with the most shallow resistivity that measures in real time of brill；RMost shallow reamingFor the purpose of layer with bore reaming measurement it is most shallow
Resistivity.
Further, the step 103, when establishing cross plot, using different formation testing layers as series, with calculating with brill
Resistivity invasion character factor Q is abscissa, with real time resistance rate is bored with reaming resistivity ratio R as abscissa, to draw
To cross plot.
Further, described different formation testing layers include oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer (or water
Layer).
The beneficial effects of the present invention are realize big not against resistivity absolute value in horizontal well flow net model
It is small, by calculating resistivity logging while drilling invasion character factor Q and with brill real time resistance rate and reaming resistivity ratio R come determined level
Well stream volume property, Real-time Logging and the intrusion difference of reaming well logging resistivity are taken full advantage of, Reservoir anisotropy is reduced, encloses
Influence of the factors such as pressure, environment to horizontal well resistivity, being capable of more quick and precisely determined level well stream volume property.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the horizontal well Geologic analysis method based on well logging provided by the invention；
Fig. 2 be in the embodiment of the present invention resistivity logging while drilling invasion character factor Q that provides with boring real time resistance rate with drawing
Eye resistivity ratio R cross plot；
Fig. 3 is certain the water horizontal well fluid identification well log interpretation figure provided in the embodiment of the present invention.
Embodiment
It is described in further details below by the specific implementation situation to the present embodiment, to support that the present invention to be solved
Technical problem, but be not intended as doing the foundations of any restrictions to invention.
As shown in figure 1, a kind of horizontal well Geologic analysis method based on well logging provided in an embodiment of the present invention, bag
Include following steps：
Step 101：First with the horizontal wellbore logging data of block formation testing, read level section with bore real time resistance rate with
Reaming repetition measurement resistivity.Have in chosen area with Real-time Logging and the horizontal well with brill reaming well-log information is bored, trying
The representative deep resistivity measured in real time with brill in read level section layer on the layer position of oil checking, with boring what is measured in real time
Most shallow resistivity, the most shallow resistivity measured with brill reaming and country rock measure deep resistivity in real time with brill, it is desirable to the layer of selection
Include oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer (or water layer) in position.
Step 102：Resistivity logging while drilling invasion character factor Q value is built, it is horizontal using the Pressure Curve in Oil Testing Well accessed by step 101
Section with boring real time resistance rate and reaming repetition measurement resistivity, according to formula (1) and (2) respectively calculating resistivity logging while drilling invasion character because
Sub- Q values and with boring real time resistance rate and reaming resistivity ratio R.
Resistivity logging while drilling invasion character factor Q value with reaming resistivity ratio R with brill real time resistance rate with passing through following public affairs
Formula is calculated：
In formula：RReservoirFor the purpose of layer with the deep resistivity that measures in real time of brill；RCountry rockFor the target zone country rock measured in real time with brill
Resistivity；RIt is most shallow real-timeFor the purpose of layer with the most shallow resistivity that measures in real time of brill；RMost shallow reamingFor the purpose of layer with bore reaming measurement it is most shallow
Resistivity.
Specific result of calculation is as shown in table 1.
Table 1
Step 103：Resistivity logging while drilling invasion character factor Q value is established according to formation testing conclusion point series and with brill real time resistance
Rate and reaming resistivity ratio R cross plots, as shown in Fig. 2 when establishing cross plot, using different formation testing layers as series, in terms of
The resistivity logging while drilling invasion character factor Q of calculation is abscissa, using with boring real time resistance rate and reaming resistivity ratio R as horizontal seat
Mark, drafting obtain cross plot.And oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer (or water layer) boundary are determined on cross plot
Region.
Step 104：Have for a bite with the new height well with reaming well-log information in real time is bored, utilize formula (1) and (2)
Calculate the continuous Q of reservoir section and R values, project it onto in cross plot, with reference to marked off in cross plot oil reservoir, low water logging
Layer, middle Water Flooding Layer, high Water Flooding Layer (or water layer) boundary region, quickly draw the property of purpose of horizon fluid.
In Fig. 3,3 to No. 10 floor fall into middle water logging region, and 11 to No. 20 floor fall into oil reservoir region, with the result in table 1
It is consistent.
Illustrate that horizontal well Fluid Identification Method provided by the invention can accurately, reliably be sentenced and know the knowledge of horizontal well fluid properties
Other Water Flooding Layer, there is good application effect in Horizontal Well Log Interpretation evaluation.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (6)
- A kind of 1. horizontal well Geologic analysis method based on well logging, it is characterised in that comprise the following steps：Step 101, first with the horizontal wellbore logging data of block formation testing, read level section is with brill real time resistance rate and reaming Repetition measurement resistivity；Step 102, resistivity logging while drilling invasion character factor Q value is built, it is electric in real time with boring using the Pressure Curve in Oil Testing Well horizontal segment got Resistance rate and reaming repetition measurement resistivity, resistivity logging while drilling invasion character factor Q value are calculated respectively and with brill real time resistance rate and reaming Resistivity ratio R；Step 103, according to formation testing conclusion point series establish resistivity logging while drilling invasion character factor Q value with bore real time resistance rate with Reaming resistivity ratio R cross plots, and oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer or water layer circle are determined on cross plot Limit region；Step 104, for the new well of properties of fluid in bearing stratum to be identified, Q values are calculated respectively using its horizontal well well logging data With R values, obtain oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer or water layer boundary region in conjunction with step 103 and judge purpose Laminar flow volume property.
- 2. a kind of horizontal well Geologic analysis method based on well logging as claimed in claim 1, it is characterised in that described Step 101, carried out in collecting zone with the horizontal well-log information for boring real time resistance rate and reaming resistivity, and be by formation testing The reservoir of checking, obtain the resistivity value of representative different layers position.
- 3. a kind of horizontal well Geologic analysis method based on well logging as claimed in claim 2, it is characterised in that described If representative different layers position refers to the dried layer position for including oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer or water layer.
- 4. a kind of horizontal well Geologic analysis method based on well logging as claimed in claim 1, it is characterised in that it is special Sign is, the step 102, resistivity logging while drilling invasion character factor Q value with boring real time resistance rate and reaming resistivity ratio R It is calculated by below equation：In formula：RReservoirFor the purpose of layer with the deep resistivity that measures in real time of brill；RCountry rockFor the target zone country rock resistance measured in real time with brill Rate；RIt is most shallow real-timeFor the purpose of layer with the most shallow resistivity that measures in real time of brill；RMost shallow reamingFor the purpose of layer with bore reaming measurement most shallow resistance Rate.
- 5. a kind of horizontal well Geologic analysis method based on well logging as claimed in claim 1, it is characterised in that described Step 103, when establishing cross plot, using different formation testing layers as series, using the resistivity logging while drilling invasion character factor Q of calculating as Abscissa, so that with real time resistance rate is bored with reaming resistivity ratio R as abscissa, drafting obtains cross plot.
- A kind of 6. horizontal well Geologic analysis method based on well logging according to claim 5, it is characterised in that institute The different formation testing layers stated include oil reservoir, low Water Flooding Layer, middle Water Flooding Layer, high Water Flooding Layer or water layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848298.5A CN107832574B (en) | 2017-09-19 | 2017-09-19 | Horizontal well water flooded layer interpretation method based on logging while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848298.5A CN107832574B (en) | 2017-09-19 | 2017-09-19 | Horizontal well water flooded layer interpretation method based on logging while drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107832574A true CN107832574A (en) | 2018-03-23 |
| CN107832574B CN107832574B (en) | 2020-07-10 |
Family
ID=61643339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710848298.5A Active CN107832574B (en) | 2017-09-19 | 2017-09-19 | Horizontal well water flooded layer interpretation method based on logging while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107832574B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766615A (en) * | 2018-12-29 | 2019-05-17 | 中国石油天然气集团有限公司 | A kind of reservoir producing water ratio calculation method based on view resistivity reservoir curve |
| CN110017136A (en) * | 2019-03-14 | 2019-07-16 | 中国石油天然气集团有限公司 | A kind of Water Flooding Layer identification and producing water ratio prediction technique based on view water layer resistivity |
| CN111894570A (en) * | 2020-08-11 | 2020-11-06 | 中国石油化工股份有限公司 | Quantitative evaluation method for flooding degree of old oil reservoir well in middle and later development periods |
| CN112257010A (en) * | 2020-09-14 | 2021-01-22 | 长江大学 | Calculation method for resistivity variation lower limit of mat sandstone oil layer |
| CN113107464A (en) * | 2021-05-11 | 2021-07-13 | 中国石油天然气集团有限公司 | Horizontal well stepping type flooded layer identification logging method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883320A (en) * | 2014-03-26 | 2014-06-25 | 中国石油天然气集团公司 | Logging-while-drilling method based on time lapse |
| CN104879126A (en) * | 2015-05-14 | 2015-09-02 | 中国石油天然气集团公司 | Clastic rock reservoir fluid identifying method based on array induction logging |
| CN105464650A (en) * | 2014-09-04 | 2016-04-06 | 中国石油化工股份有限公司 | Interpretation method for well logging during drilling |
-
2017
- 2017-09-19 CN CN201710848298.5A patent/CN107832574B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883320A (en) * | 2014-03-26 | 2014-06-25 | 中国石油天然气集团公司 | Logging-while-drilling method based on time lapse |
| CN105464650A (en) * | 2014-09-04 | 2016-04-06 | 中国石油化工股份有限公司 | Interpretation method for well logging during drilling |
| CN104879126A (en) * | 2015-05-14 | 2015-09-02 | 中国石油天然气集团公司 | Clastic rock reservoir fluid identifying method based on array induction logging |
Non-Patent Citations (2)
| Title |
|---|
| DZEVAT O ET AL: "Characterizing teardrop invasion in horizontal wells in", 《 PAPER VV PRESENTED AT THE 54TH SPWLA ANNUAL SYMPOSIUM》 * |
| 王谦 等: "随钻测井技术在塔里木油田的应用", 《复杂油气藏》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109766615A (en) * | 2018-12-29 | 2019-05-17 | 中国石油天然气集团有限公司 | A kind of reservoir producing water ratio calculation method based on view resistivity reservoir curve |
| CN110017136A (en) * | 2019-03-14 | 2019-07-16 | 中国石油天然气集团有限公司 | A kind of Water Flooding Layer identification and producing water ratio prediction technique based on view water layer resistivity |
| CN110017136B (en) * | 2019-03-14 | 2023-01-10 | 中国石油天然气集团有限公司 | Water flooded layer identification and water production rate prediction method based on apparent water layer resistivity |
| CN111894570A (en) * | 2020-08-11 | 2020-11-06 | 中国石油化工股份有限公司 | Quantitative evaluation method for flooding degree of old oil reservoir well in middle and later development periods |
| CN112257010A (en) * | 2020-09-14 | 2021-01-22 | 长江大学 | Calculation method for resistivity variation lower limit of mat sandstone oil layer |
| CN112257010B (en) * | 2020-09-14 | 2023-09-26 | 长江大学 | Calculation method for resistivity fluctuation lower limit value of mat sandstone oil layer |
| CN113107464A (en) * | 2021-05-11 | 2021-07-13 | 中国石油天然气集团有限公司 | Horizontal well stepping type flooded layer identification logging method |
| CN113107464B (en) * | 2021-05-11 | 2024-05-07 | 中国石油天然气集团有限公司 | Horizontal well stepping type water flooded layer identification logging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107832574B (en) | 2020-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107832574A (en) | A kind of horizontal well Geologic analysis method based on well logging | |
| CN106468172B (en) | A kind of Oil in Super-low Permeability sandstone oil reservoir low-resistance reservoir log interpretation method | |
| CN107701180B (en) | Original oil reservoir water saturation calculation method based on closed coring | |
| CN104360415B (en) | A kind of method of tight sandstone reservoir crack identification | |
| CN104564041B (en) | Hyposmosis clastic reservoir rock efficiency evaluation method based on exploitation permeability limits | |
| US9977996B2 (en) | Characterizing porosity distribution from a borehole image | |
| CN103806911A (en) | Method for judging fluid type of reservoir by utilizing logging data of while-drilling drilling fluid | |
| CN103180548A (en) | System and method for hydrocarbon gas pay zone characterization in a subterranean reservoir | |
| CN109138975A (en) | It is a kind of that new method that mutually seeping indicatrix is solved based on time shift log data | |
| CN110043254A (en) | A kind of acquisition methods based on cable formation testing data formation effective permeability | |
| US20140278318A1 (en) | Natural Resource Reservoir Modeling | |
| Paillet et al. | Integrating borehole logs and aquifer tests in aquifer characterization | |
| Warren et al. | An evaluation of the significance of permeability measurements | |
| CN110295894A (en) | A method of establishing HORIZONTAL WELL PRODUCTION FORECASTING model | |
| CN110471127A (en) | A kind of well logging permeability means of interpretation | |
| CN104790943A (en) | Method for calculating oiliness and porocity comprehensive index of oil and gas reservoir | |
| CN106321092B (en) | Compact reservoir disaggregated model method for building up and compact reservoir classification method | |
| CN109538199A (en) | A kind of coal measure strata air content evaluation method, device and electronic equipment | |
| CN113969781B (en) | Sea-phase carbonate microporous pore structure cause low-resistance oil layer identification method | |
| CN104879126B (en) | A kind of clastic reservoir rock Fluid Identification Method based on array induction logging | |
| CN103266870A (en) | Method and system for determining damage radius of oil and gas reservoir water blocking | |
| Hadibeik et al. | Wireline and while-drilling formation-tester sampling with oval, focused, and conventional probe types in the presence of water-and oil-base mud-filtrate invasion in deviated wells | |
| Carpenter | Production logging, openhole-log interpretation help discover new oil reserves | |
| CN109162696A (en) | A method of stratum oil saturation is calculated using compensation sound wave | |
| Dubey et al. | Aquifer Parameterization in an Alluvial Area: Varanasi District, Uttar Pradesh, India-A Case Study |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |