Some standard content:
ICS 75.180.10
Registration No.: 6965—2000
Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T5331-2000
Interpretation maps for petroleum seismic exploration2000 03 —31 Issued
State Bureau of Petroleum and Chemical Industry
2000-10-01 Implementation
SY/T5331—2000
Cited standards
3 General requirements
4 Basic drawings for geotechnical exploration and interpretation
5 Drawings for seismic exploration and interpretation results
Appendix A (suggestive appendix)
Format of the comprehensive table of parallel design
...i....++..
SY/T5331—2000
This standard is a revision of SY/T5331—94 "Drawings for Interpretation of Geotechnical Exploration and Interpretation". Compared with the previous revision, the original content has been greatly modified and supplemented: first, the names and structures of chapters and sections have been changed, such as changing the title of Chapter 4 "Basic Maps for Geophysical Interpretation" to "Basic Maps for Geophysical Interpretation", merging Chapter 5 "Interpretation Results Maps" and Chapter 6 "Comprehensive Interpretation Research Maps" into Chapter 5, titled "Seismic Exploration Interpretation Results Maps", and changing the original standard classification and writing method to write each type of map separately: second, standardizing professional terms, such as changing "ground information" to "ground waist attributes", "surface element center point number" to "CMP number", "\equivalent map" to "time structure map", "surface element center point position" to "CMP grid", "structural zoning map" to "regional tectonic unit division map", "structural development history profile map" to "structural evolution subsurface map", etc. Third, some basic maps and results maps have been added and deleted, such as adding "prestack time migration profile", "prestack depth migration section", "stratigraphic columnar comparison map", "sequence stratigraphic interpretation section map", etc., and deleting "horizontal slice map" and other related dimensional interpretation maps. Basic drawings, and the contents of each drawing and related technical requirements have been modified and supplemented; Fourth, according to the revision of the standard content, in the "referenced standards" chapter, SY/T5330-1995 "Technical Specifications for Data Collection of Onshore Two-Dimensional Geophysical Exploration" has been deleted, and SYT5933-2000 "Principles for Determining Geological Strata Codes for Geophysical Reflector Layers" has been added. Through this revision, professional terminology has been standardized, making the content of the standard more complete, the structure more reasonable, and more operational. From the date of entry into force of this standard, the same Replaces SY/T5331-94. This standard is proposed by China National Petroleum Corporation. This standard is under the jurisdiction of the Petroleum Geophysical Exploration Professional Standardization Committee. The drafting unit of this standard is the Institute of Petroleum Geophysical Exploration Bureau. The main drafters of this standard are Gan Shaoyu and Li Mingjie. This standard was first issued in 1988 and first revised in 1994. This is the second revision. 1V
Petroleum and Natural Gas Industry Standard of the People's Republic of China Petroleum Geophysical Exploration Interpretation Map
Enterprise Maps for Petroleum Geological Exploration This standard specifies the content and relevant technical requirements of interpretation maps for petroleum geological exploration. This standard applies to interpretation maps for petroleum geological exploration. 2 Referenced standards
SY/T 5331—2000
Replaces SY/T 5331—94
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. SY5615—93 Specifications and diagrams for petroleum and natural gas geological mappingSY5933—2000 Seismic reflection layer Seismic geological layer code determination principle 3 General requirements
3.1 Format, orientation, scale
3.1.1 According to the outline of the study area and the degree of filling in the frame, the frame shape should be rectangular or square, and the projection method and selected coordinate system should be added when necessary.
3,1.2 The orientation of the map is stipulated as upper north, lower south, left west, and east. If other orientations are used due to map limitations, the true north position should be indicated, and the longitude and latitude or rectangular coordinate grid should be noted on the edge of the map. 3.1.3 The scale of the map should be consistent with the relevant technical standards and the scale stipulated by the relevant national departments. A wired scale should be used, and its placement can be determined according to the position of the map name. If the map name is in the small space outside the frame above the map, the linear scale should be changed to the outside of the frame below the map; if the map name is in the map cabinet, the linear scale should be placed on the side of the map name. The digital scale should be noted in the responsibility table. 3.1.4 The legends, instructions and responsibility tables of various map servants should be compiled in the lower left or lower right corner of the frame. 3.1.5 The format of the responsibility table is shown in Table 1. When a map has more than two pictures, a map label should be marked in the lower right corner of each map. The format of the map label is shown in Table 2. Table 1 Responsibility table format
(Single name)
Technical person in charge
Unit person in charge
Approved by the State Administration of Petroleum and Chemical Industry on 2000-03-31)
Sequence number
Scale
Data source
(Unit logo)
2000-10-01 Implementation
3.2 Place names and features
SY/T5331—2000
Table 2 Map label format
Sequence number
Relevant maps should be annotated with place names and features as needed, including major railways, highways, rivers, lakes, oceans and large-scale engineering buildings; maps with a scale of 1:100000 or less should be annotated with place names at or above the county level; maps with a scale of 1:50000 or more should be annotated with township (town) and some village place names (in areas with dense settlements and sparse settlements). 3.3 Diagrams and legends
The contents and formats of diagrams and legends shall comply with the provisions of SY5615. 4 Basic maps for seismic exploration and interpretation
4.1 Two-dimensional seismic line location map.
4.1.1、Indicate all parameters and well positions and well numbers and main geographical names and features. 4.1.2 Correctly mark the square grid, the name of the surface survey line and the starting and ending pile numbers of the survey line. 4.1.3 The seismic survey line should have a 1cm grid with whole pile numbers. 4.2 Three-dimensional geosynthetic exploration CMP grid map
Main content: well positions and well numbers, appropriately sparse CMP numbers and line numbers. Two-dimensional surface survey bin stacking frequency map
There are appropriately sparse CMP numbers, and different numbers, symbols or colors are used to indicate the number of times each CMF is covered. 4.4
Field static correction volume plane map
Use milliseconds as the unit, and use contour lines or colors to indicate static correction volume. Velocity data
Main content: velocity spectrum, ground burst logging, VSP logging and sonic logging, etc. 4.6 Geotechnical profile
4.6.1 Horizontal stacking time profile
Scale: 1 cm for 100 ms in the vertical direction and 1:25000 in the horizontal direction; it can be enlarged in the vertical and horizontal directions when necessary. 4.6.1.1
The CMP number, stake number, stacking velocity, intersecting survey line number, well location and profile orientation should be displayed above the profile. 4.6.1.2
For the profile with terrain correction, the surface elevation should be displayed on the profile, and the elevation of the unified datum surface of the work area should be marked. 4.6.1.3
When working on water, the water depth line should be marked.
4.6.1.4 The main acquisition and processing parameters should be displayed on the left or right side of the profile. The schematic diagram of the location of the geotechnical lines should be marked below the acquisition and processing parameters. 4.6.1.53
Interpret the horizons and faults (cracks) according to the local unified color, and indicate the main structures and faults (cracks) in appropriate locations. 4.6.1.63
4.6.2 Stack migration time section
In addition to the same content as 4.6.1, the following additional notes should be given: a) Migration method and its corresponding parameters; b) Position, drilling stratification and drilling lithology; c) When the survey line passes through the outcrop area, the stratigraphic age, occurrence, thickness and general lithology of the outcrop area should be noted. 4.6.3 Prestack time migration agent surface
The content is the same as that of 4.6.2.
4.6.4 Prestack depth migration section
SY/T 5331--2000
The vertical and horizontal scales are both 1:25000, and the rest are the same as 4.6.2. 4.6.5 Prestack depth migration time section
Contents and requirements are the same as 4.6.2.
4.6.6 Prestack depth migration velocity color section 4.6.6.1 The vertical and horizontal scales are both 1:25000 4.6.6.2 The same area is displayed with a unified color code. 4.6.7 Color seismic profile
In addition to general requirements, special provisions are made:
a) Establish a unified color scale for the region, that is, use depressions, dynamic subsidence and basins as independent units with unified color scales; b) If there are several units working in one region, a unified color scale should be used for display; c) When data from the same region are processed by different processing departments or units, they should be displayed according to the unified color scale of the region. 4.7 Bright spot profile
4.7.1 Scale: 1 cm for 100 ms in the vertical direction; 1:25000 in the horizontal direction: It can be enlarged vertically and horizontally when necessary. 4.7.2 The CMP number, pile number, well location and intersection number consistent with the corresponding stacked deviation profile should be on the top of the profile. 4.7.3 The profile type, region name, survey line number, field acquisition and processing sampling rate, energy compensation method, etc. should be marked on the left or right side of the rhyme surface.
When displayed in color, a color scale should be attached.
4.8 Transient profile
The content includes instantaneous phase, instantaneous amplitude and instantaneous frequency, and the requirements are the same as those in 4.7. 4.9 Wave impedance profile
The vertical scale 1cm represents 50ms; the horizontal scale 1cm represents 50m; it can be enlarged vertically and horizontally when necessary: 4.9.11
The rhyme surface L should display the wellside record, the comparison of the Nanzun logging curve and the pseudo-velocity logging line, and the location of the studied layer. 4.9.2
The content marked on the top of the profile is the same as 4.7.2, and the content marked on the left or right side is 4.7.34.9.3
4,9,4 should be accompanied by a color code when displayed in color. 4.10 Seismic reflection layer position calibration map
4.10.1 The vertical scale lcrm represents 100nns; the horizontal arrangement should be read closely, reasonable and clear. 4.10.2 The main interfaces, large rock layers and special lithology should be clearly marked. 4.10.3 The required intersecting seismic survey lines, drilling and synthetic records should be calibrated. 4.11 Other basic magnetic maps
Includes lithology simulation profile, reflection coefficient profile, density profile, porosity profile, absorption coefficient profile, AVO processing results, etc. The scale and color scale of the above maps should be determined according to the actual situation. 5 Maps of seismic exploration interpretation results
5.1 Time structure map of ground reflection layer
5.1.1 Includes all the ground survey lines used for interpretation. 5.1.220 Data should be annotated on the right side of the survey line. The reliability of data is divided into two levels, namely reliable level and unreliable level (unreliable level data is annotated in brackets). When the value overlaps due to wave rotation (or reverse fault), it can be annotated on the other side of the ground survey line or distinguished by different colors.
5.1.3 The interval of contour lines shall be determined by the scale of the map. 5.1.4 Indicate the position of the breakpoint, the value of the upper wall and the lower wall of the fault. 5.1.5 Indicate the position and number of the exploration well that has reached the layer. 5.2 Seismic reflection layer depth structure map
5.2.1 The name of the map is "×× seismic reflection layer depth structure map of ×× area". For regional angles that are not full surface maps, "when ×× erosion surface or bedrock surface" can be indicated in brackets. SY/T 5331—2000
5.2.2 Indicate the location, well number and depth (calculated from the mapping datum plane) of the exploration well that has reached the layer and the oil and gas display. 5.2.3 For depth structural maps with a scale of 1:25000 and 1:5000, all seismic survey lines used for interpretation shall be included, with equal depth intervals of 25m and 50m respectively, and the names of structures and major faults shall be indicated; for depth structural maps with a scale of 1:100000 or 1:200000, equal depth intervals of 100m shall be adopted, and the names of major structures, major faults, and the contact boundaries of missing and abnormal bodies in the strata shall be indicated; for depth structural maps with a formation dip exceeding that of large-scale (1:5000, 1:10000, etc.), the equal depth lines shall be denser; for depth structural maps with a formation dip exceeding that of small-scale (1:500000, 1:1000000, etc.), the equal depth lines shall be sparser. 5.2.4 If the horizontal distance of the upper and lower walls of the fault (crack) is within the allowable error range of the plane position of the fault (crack), only the lower wall can be used for representation. The representation method of the fault (crack) shall comply with the provisions of 23.1.2 of SY5615-93. 5.2.5 The corresponding geological strata and drawing methods shall be indicated in the map description. 5.2.6 Structural isobaths (values) shall be drawn with smooth curves. Solid lines indicate reliable levels, sparse lines indicate unreliable levels, and dashed lines indicate auxiliary isobaths
5.3 Quality map of exposed reflective layers
5.3.1 The geodetic lines used for interpretation shall be complete. 5.3.2 The data quality shall be divided into two or three levels, and shall be represented in zones and grades. 5.3.3 The location of the exploration well shall be indicated.
5.4 Stratum isobars map
5.4.1 Stratum thickness isolines and stratigraphic erosion or overburden pinch-out lines shall be drawn with smooth curves. 5.4.2 Mark the main exploration positions and exposed stratum thickness of the studied strata. 5.5 Comprehensive stratigraphic columnar profile
5.5.1 The header content of the map is shown in Table 3
The vertical scale is ":10000
Header content
Source reservoir and cap
Earth radiating
Radiation characteristics
Seismic reflection
Layer stratigraphic name
5.5.3 The lithology symbol representation method complies with the provisions of SY5615, clearly indicating the contact relationship between each set of stratigraphic layers (conformity, pseudo-conformity, unconformity).
5.5.4 The code for the stratigraphic reflection layer stratigraphic name complies with the provisions of SY/T5933. 5.6 Stratigraphic columnar comparison diagram
Main contents: lithology profile, natural potential and apparent resistivity, etc. 5.7 Characteristic profile of oil and gas reservoirs
5.7.1 Cross-section reflecting the type and characteristics of oil and gas reservoirs. 5.7.2 Mark the lithology of source, reservoir and cap rock and the distribution of oil and gas layers. 5.8 Regional structural unit division map
5.8.1 Determine the scale according to the area of the work area and the actual exploration degree. 5.8.2 Draw the basin boundary, depression uplift, depression bulge and main faults, stratigraphic missing lines and structural division boundaries with clearly distinguishable lines.
5.8.3 There should be contour depths reflecting the basement undulations. 4
SY/T S331--2000
5.8.4 Mark the location and number of the main exploration wells, oil and gas indications and the scope of the oil and gas field. 5.8.5 Indicate the names of the primary and secondary structural units and the corresponding data tables. 5.8.6 There should be a typical geological profile reflecting the regional structure. 5.9 Sequence Stratigraphic Interpretation Profile
5.9.1 The top of the surface should be marked with the location of the drilled wells, the intersection of the main geosynthetic lines and the orientation of the surface. 5.9.2 The vertical and horizontal scales can be selected appropriately. 5.9.3 Mark the sequence, system 5.10 Seismic facies plane map
5.10.1. Mark the name or code of the seismic facies. 5.10.2 Mark the faults (rifts) and overlap or erosion lines that control the studied strata. Use smooth curves to outline the seismic facies boundaries and the boundaries of the abnormal bodies. 5.10.3↓
5.10.4 Mark the main exploration positions of the studied strata. 5.11 Sedimentary facies (system) plane map
5.11.1 Mark the isopach lines, sedimentary facies areas ( 5.11.2 Indicate the typical lithological data of the main sedimentary facies (systems) of the studied strata. 5.11.3 Indicate the direction of the surrounding source.
5.11.4 There should be a sedimentary facies (system domain) profile of the key area. 5.12 Earthquake attribute plane map
5.12.1 The map name should be in the format of "×× structure (region) ×× seismic reflection layer ×× plane map". 5.12.2 Use contour lines or colors to indicate the size of the seismic attribute value. Use color to indicate time , should be accompanied by a color code. 5.12.3 Indicate the location of the main exploration wells and the oil and gas indications of the studied layers 5.13 Comprehensive interpretation of geology and geophysics in large sections 5.13.1 Content and location
The left side of the figure should show the schematic diagram of the section location, the legend, and the responsibility table; the right side of the figure should show the seismic section, gravity, magnetic, electrical section, and geological section.
5.13.2 Seismic cut surface
5.13.2.1 The top of the section should be marked with the elevation position, the intersection of the soil survey line, and the section orientation. 5.13.2.2 The horizontal scale should be expressed by a linear scale and a digital scale. The vertical and horizontal scales can be appropriately compressed. 5.13.2.3 There should be a stratum interpretation and label, and the relationship between the interpreted stratum and the geological stratum should be noted. 5.13.2.4 The structural unit and the fault name should be noted. 5.13.2.5 When passing through the rock outcrop area, the outcrop age, occurrence, thickness and general lithology should be noted. 5.13.3 Gravity, magnetic and electrical method surface
5.13.3.1 The horizontal scale and the starting and ending points at both ends should correspond to the surface. 5.13.3.2 According to the change of gravity, magnetic and electrical anomaly values on the section, select an appropriate vertical scale and mark it on the left side of the surface.
5.13.3.3 Use smooth curves with different lines to draw the change of gravity, magnetic and electrical values.5.13.4 Geological surface
513.4.1 The horizontal scale representation method and the starting and ending points should be the same as those of the ground profile and gravity, magnetic and electrical agent rain. 5.13.4.2 Select an appropriate vertical scale. 5.13.4.3 The geological surface morphology is obtained by converting the seismic agent surface time-depth. 5.13.4.4 Mark the drilled positions and the distribution of the main sedimentary bodies on the surface. 5.14 Structural evolution profile
5.14.1 The name of the map shall be in the format of "Structural evolution profile of ×× structure (×× survey line) in ×× area". 5
SY/T $331-—2000
5.14.2 Select appropriate vertical and horizontal scales to make depth profiles. 5.14.3 Above the profile before (after) the deposition of a certain layer, it should be noted: "×× (layer) before (or after) deposition\5.14.4 Indicate the stratigraphic age, and mark the main structures, fault names, main seismic survey line intersections, place names, well locations, drilling depths and profile orientations on the current profile.
5.14.5 The river straight line scale (horizontal scale) should be marked at the bottom of the map. 5.15 Paleogeological map
5.15.1 The map name adopts the format of "×× area pre-×× system (system) geological map" to indicate the current distribution of the pre-×× system (system) strata in the area; the format of "X× area pre-×× epoch (epoch) geological map" is used to indicate the geological map of a specific era after reconstruction.
5.15.2 Mark the classification and properties of faults (cracks), and indicate the occurrence, lithology and age of the strata. 5.15.3 Mark the exploration number of the drilling position. 5.15.4 There are outcrop data around the basin (simplified). 5.15.5 Attach several regional geological profiles. 5.16 Other analytical drawings
Mainly include: mudstone percentage plane distribution map, oil and gas prediction plane map, porosity surface distribution map, permeability plane distribution map, oil saturation semi-surface distribution map, sandpaper thickness map, etc. 5.17 Comprehensive results map of secondary structural belts
5.17.1 The scale of the body map shall not be less than 1:100000, and the linear scale shall be marked below the map name. The map edge shall have a rectangular coordinate grid or longitude and latitude.
5.17.2 The detailed structural morphology of the main layers shall be reflected, and the isobath interval shall be determined according to the scope of the secondary structural belt and the scale of the map. 5.17.3 The structural name and main place name shall be marked. 5.17.4 The location of the exploration well and the oil and gas indication shall be marked. 5.17.5 The scope of the oil and gas field shall be marked.
5.17.6 The characteristic surface of the oil and gas reservoir and the location of the cut surface shall be attached. 5.17.7 The stratigraphic cross-section shall be attached.
5.17.8 The local structural data table, oil and gas indication and resource prediction data table shall be attached. 5.18 Comprehensive map of non-structural traps
5.18.1 The depth structure map of non-structural traps shall indicate the main place names near the traps, the main seismic survey lines and survey line numbers passing through the traps, as well as the name of the traps, the nature of the traps, the table of trap elements, and the rectangular coordinate grid on the map margin. 5.18.2 Intersecting surface of the traps reflecting the characteristics of the traps, the requirements are the same as 5.13.2. 5.18.3 Attached is a typical geological profile of non-structural traps, reflecting the conditions of the oil (gas) source layer, cap rock, reservoir and barrier layer. 5.19 Comprehensive evaluation map
5.19.1 With the structural isobaths reflecting the undulations of the strata on the main exploration days as the background, highlight the shape and range of the primary and secondary structural units. 5.19.2 Indicate the thickness of the source rock of the main oil-generating layer and the range of the mature source rock. 5.19.3 Indicate the distribution and range of various sand bodies, the phase division of the main reservoir and its thickness. 5.19.4 Indicate the oil and gas occurrence range and oil and gas indications. 5.19.5 Indicate the evaluation level of depressions and primary structural belts. 5.19.6 Indicate favorable traps.
5.19.7 Attach the names of each structural unit and a comprehensive evaluation table (including structural key points, relevant parameters of Niunogai, drilling conditions, resource estimation, evaluation level, etc.).
5.19.8 Attach the characteristic profiles of the main oil and gas reservoir types. 5.19.9 Attach important seismic attribute results. 5.19.10 Attach the stratigraphic columnar surface
5.19.11 Attach the well location design drawing.
5.20 Well location design comprehensive map
SY/T5331—2000
5.20.1 The structural map of the local trap depth on the day of the formation should indicate the main place names near the trap, the intersecting seismic survey lines and survey line numbers passing through the well location, the trap name, and the trap element table. The right-angle barrier network should be annotated on the edge of the map. 5.20.2 The seismic profiles intersecting through the wells should be able to clearly reflect the morphological characteristics of the local trap, mark the geological strata and the designed position, and draw a thick line to indicate the designed drilling depth line through the strata. 5.20.3 Attach the oil and gas condensation prediction profile, and mark the vertical and horizontal scales. The table indicates the t0 value of each seismic reflection layer and its corresponding geological strata and depth. 5.20.43
Key exploration wells should also have the stratum lithology profile on the prediction day, and the formation pressure prediction curve when conditions permit. Attach the well location design comprehensive table. The format of the comprehensive table of well location design is shown in Appendix A (suggestive appendix). 5.20.6
Geographic location
Structural location
Crossing and surveying lines
Medical and closed elementsbZxz.net
Design well name
Giant layer
Design coordinates
Surface layer
Drilling purpose
Allowable range of well location movement
Unit proposing well location
Person reading coordinates
Person filling in the form
Technical person in charge
SY/T 5331—2000
Appendix A
(suggestive appendix)
Format of the comprehensive table of well location design
Table A1× × Comprehensive table of well location design
Enclosed area
Combined amplitude
Designed well type
Designed well depth
Buried depth of vehicle
Enclosed layer
Position proposer
Coordinate reviewer
Position examiner
Well location approver1 Take the structural isobaths reflecting the undulation of the strata on the main exploration days as the background, and highlight the shape and range of the primary and secondary structural units. 5.19.2 Indicate the thickness of the source rock of the main oil-generating layer and the range of mature source rock. 5.19.3 Indicate the distribution and range of various sand bodies, the phase division of the main reservoir and its thickness. 5.19.4 Indicate the oil and gas production range and oil and gas shows. 5.19.5 Indicate the evaluation level of depressions and primary structural belts. 5.19.6 Indicate favorable traps.
5.19.7 Attach the names of each structural unit and a comprehensive evaluation table (including structural key points, relevant parameters of Niunuogai, drilling conditions, resource estimation, evaluation level, etc.).
5.19.8 Attach the characteristic sections of the main oil and gas reservoir types. 5.19.9 Attach important seismic attribute results. 5.19.10 Attach the stratigraphic columnar surface
5.19.11 Attach the well location design diagram.
5.20 Well location design comprehensive map
SY/T5331—2000
5.20.1 The structural map of the local trap depth on the day of the formation should indicate the main place names near the trap, the intersecting seismic survey lines and survey line numbers passing through the well location, the trap name, and the trap element table. The right-angle barrier network should be annotated on the edge of the map. 5.20.2 The seismic profiles intersecting through the wells should be able to clearly reflect the morphological characteristics of the local trap, mark the geological strata and the designed position, and draw a thick line to indicate the designed drilling depth line through the strata. 5.20.3 Attach the oil and gas condensation prediction profile, and mark the vertical and horizontal scales. The table indicates the t0 value of each seismic reflection layer and its corresponding geological strata and depth. 5.20.43
Key exploration wells should also have the stratum lithology profile on the prediction day, and the formation pressure prediction curve when conditions permit. Attach the well location design comprehensive table. The format of the comprehensive table of well location design is shown in Appendix A (suggestive appendix). 5.20.6
Geographic location
Structural location
Crossing and surveying lines
Medical and closed elements
Design well name
Giant layer
Design coordinates
Surface layer
Drilling purpose
Allowable range of well location movement
Unit proposing well location
Person reading coordinates
Person filling in the form
Technical person in charge
SY/T 5331—2000
Appendix A
(suggestive appendix)
Format of the comprehensive table of well location design
Table A1× × Comprehensive table of well location design
Enclosed area
Combined amplitude
Designed well type
Designed well depth
Buried depth of vehicle
Enclosed layer
Position proposer
Coordinate reviewer
Position examiner
Well location approver1 Take the structural isobaths reflecting the undulation of the strata on the main exploration days as the background, and highlight the shape and range of the primary and secondary structural units. 5.19.2 Indicate the thickness of the source rock of the main oil-generating layer and the range of mature source rock. 5.19.3 Indicate the distribution and range of various sand bodies, the phase division of the main reservoir and its thickness. 5.19.4 Indicate the oil and gas production range and oil and gas shows. 5.19.5 Indicate the evaluation level of depressions and primary structural belts. 5.19.6 Indicate favorable traps.
5.19.7 Attach the names of each structural unit and a comprehensive evaluation table (including structural key points, relevant parameters of Niunuogai, drilling conditions, resource estimation, evaluation level, etc.).
5.19.8 Attach the characteristic sections of the main oil and gas reservoir types. 5.19.9 Attach important seismic attribute results. 5.19.10 Attach the stratigraphic columnar surface
5.19.11 Attach the well location design diagram.
5.20 Well location design comprehensive map
SY/T5331—2000
5.20.1 The structural map of the local trap depth on the day of the formation should indicate the main place names near the trap, the intersecting seismic survey lines and survey line numbers passing through the well location, the trap name, and the trap element table. The right-angle barrier network should be annotated on the edge of the map. 5.20.2 The seismic profiles intersecting through the wells should be able to clearly reflect the morphological characteristics of the local trap, mark the geological strata and the designed position, and draw a thick line to indicate the designed drilling depth line through the strata. 5.20.3 Attach the oil and gas condensation prediction profile, and mark the vertical and horizontal scales. The table indicates the t0 value of each seismic reflection layer and its corresponding geological strata and depth. 5.20.43
Key exploration wells should also have the stratum lithology profile on the prediction day, and the formation pressure prediction curve when conditions permit. Attach the well location design comprehensive table. The format of the comprehensive table of well location design is shown in Appendix A (suggestive appendix). 5.20.6
Geographic location
Structural location
Crossing and surveying lines
Medical and closed elements
Design well name
Giant layer
Design coordinates
Surface layer
Drilling purpose
Allowable range of well location movement
Unit proposing well location
Person reading coordinates
Person filling in the form
Technical person in charge
SY/T 5331—2000
Appendix A
(suggestive appendix)
Format of the comprehensive table of well location design
Table A1× × Comprehensive table of well location design
Enclosed area
Idle amplitude
Designed well type
Designed well depth
Buried depth of vehicle
Enclosed layer
Position proposer
Coordinate reviewer
Position examiner
Well location approver
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