CN104298883B - A kind of method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in oil and gas resource evaluation - Google Patents
A kind of method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in oil and gas resource evaluation Download PDFInfo
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Abstract
The present invention relates to a kind of method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in oil and gas resource evaluation, which comprises the following steps：1) gather laboratory sample and be determined by experiment its thermal simulation experiment data；2) data collection；3) kerogen oil generation, angry and Oil-splited gas kinetic parameter are demarcated；4) depositional and burial history and thermal history model of research area destination layer position hydrocarbon source rock are set up；5) set up hydrocarbon source rock hydrocarbon yield constraints；6) research area destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total gas conversion ratio profile are set up；7) check whether kinetics geology extrapolating results meet the requirements；8) part hydrocarbon expulsion mode regulation coefficient is proposed, evaluates the hydrocarbon yield curve under the hydrocarbon expulsion of part, set up a kind of hydrocarbon source rock hydrocarbon producing rate plate including under arranging hydrocarbon, part row's hydrocarbon completely and not arranging hydrocarbon these three hydrocarbon expulsion modes.Instant invention overcomes the deficiency in conventional hydrocarbon source rock hydrocarbon yield acquiring method and experimental simulation data so that each field operations personnel can put into practice the hydrocarbon source rock hydrocarbon yield for more accurately reasonably determining destination layer position according to oil field prospecting.
Description
Technical field
The present invention relates to a kind of method for evaluating petroleum resources, especially with regard to the hydrocarbon in a kind of oil and gas resource evaluation
The method for building up of source rock hydrocarbon producing rate plate.
Background technology
Hydrocarbon source rock hydrocarbon yield is one of key parameter of zone/block oil and gas resource evaluation and basin level RESERVE EVALUATION,
With regard to the evaluation methodology of hydrocarbon source rock hydrocarbon yield, forefathers have been numerous studies, the evaluation methodology master of conventional hydrocarbon source rock hydrocarbon yield
There are oil-gas generation experimental analogic method and element conservation method (or claiming material balance method).The former have ignored different geological models (such as
Bury speed, geothermal gradient) impact to hydrocarbon yield, and vitrinite develops and mirror under geological condition in the case of laboratory thermal simulation
Plastid develops inconsistent；The latter is needed by accurate experimental data, and element (C, H and O) is determined by experiment condition and Jing
The restriction for taking, it is impossible to meet current precision and comprehensive.
At present, hydrocarbon source rock hydrocarbon yield thermal simulation experiment mainly have closed experimental system (autoclave, golden pipe experimental facilitiess,
MSSV experimental facilitiess), open experiment system (Rock-Eval and TG-MS experimental facilitiess) and the semi-open experimental system of semi-hermetic it is (straight
Pressure type life residence thermal simulation, from purging system and debulking systems experimental facilitiess).Wherein, the advantage of closed experimental system is to evaluate
Go out the actual hydrocarbon source rock hydrocarbon yield closer under geology of the hydrocarbon source rock hydrocarbon yield of sample, have the disadvantage to cannot be distinguished by first cracking and two
Secondary pyrolysis product, it is difficult to measure C6～C14Component.Open experiment system is referred to and is pyrolyzed using Rock-Eval (Rock-eval)
Instrument and its modified model instrument economy, the hydrocarbon source rock hydrocarbon yield for quickly and accurately evaluating sample, advantage can be to evaluate respectively
Go out to be cracked into for the first time oil, into the kinetic parameter of gas, have the disadvantage the geological conditions actual with underground (open system, semiclosed half
Depending on open system and enclosed system are according to actual tectonic setting, i.e. tensile stress field is usually open system, extrusion stress
Field is usually enclosed system, and the stress field of transition is usually semiclosed Semi-open system) mismatch.The semi-open experiment body of semi-hermetic
System carries out thermal simulation to the hydrocarbon source rock hydrocarbon yield of sample using single temperature spot or stationary temperature mostly, dynamic for continuous pyrolysis or hydrocarbon
Mechanics study is not simultaneously applied to.
The content of the invention
For the problems referred to above, it is an object of the invention to provide one kind be more nearly actual geology, more rationally, and with more general
The method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in the oil and gas resource evaluation of adaptive.
For achieving the above object, the present invention takes technical scheme below：A kind of hydrocarbon source rock in oil and gas resource evaluation produces hydrocarbon
The method for building up of rate plate, comprises the following steps：1) collection can represent the hydrocarbon source of the actual geological condition in research area destination layer position
Rock sample product, and according to research area destination layer position hydrocarbon source rock petroleum geologic conditions, carry out Rock-eval, Py-gc rock thermal simulation reality
Test and golden pipe crude oil thermal simulation experiment；Collection simultaneously can represent the rock of research area destination layer position hydrocarbon source rock different evolution stages
Sample, carries out rock pyrolysis analysis test, rock total organic carbon analysis test and chloroform bitumen " A " analysis and surveys to rock sample
Examination；2) the conventional Geochemical Parameters of collection research area destination layer position hydrocarbon source rock, and collect geological layering, paleogeothermal gradient and ancient ground
Table temperature data；Wherein, the Geochemical Parameters of analysis include being pyrolyzed S in the past1, chloroform bitumen " A ", Organic Carbon TOC and mirror matter
Volume reflectivity Ro；3) using step 1) in Rock-eval, Py-gc rock thermal simulation experiment obtain open system brucellosis
Simulation experiment data, and the experimental data of the enclosed system cracking of crude oil of golden pipe crude oil thermal simulation experiment acquisition, using life
Hydrocarbon dynamic method, demarcates research area destination layer position hydrocarbon source rock kerogen oil generation, angry and Oil-splited gas kinetic parameter；4) profit
With step 2) in the research geological layering of area destination layer position, paleogeothermal gradient and ancient surface temperature data, set up research area's mesh
The depositional and burial history and thermal history model of the representative well of mark layer position hydrocarbon source rock；5) according to step 1) the research area destination layer that obtains
This experimental data of position and step 2) Geochemical Parameters of conventional analysis that obtain, determine hydrocarbon thresholding, row's hydrocarbon of hydrocarbon source rock
Thresholding, evolution level, Type of hydrocarbon source rock and hydrocarbon potentiality；6) according to step 3) the kerogen oil generation that calibrates, kerogen life
Gas and Oil-splited gas kinetic parameter and step 4) depositional and burial history set up and thermal history model, are entered using hydrocarbon-generating dynamics method
Action mechanics geology extrapolation, set up research area destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and
Total gas conversion ratio profile；7) using step 5) the hydrocarbon thresholding depth that determines, row's hydrocarbon thresholding depth and Thermal Evolution of Source Rocks journey
Whether degree, testing sequence kinetics geology extrapolating results 6) meet the requirements：If the hydrocarbon door that the extrapolation of kinetics geology determines
Limit depth is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, and absolute oil peak of curve is consistent with row's hydrocarbon thresholding, and adopts EASY Ro models
The Ro for calculating is consistent with actual measurement Ro data, then meet examination requirements, show that meeting only including for geologic(al) factor arranges hydrocarbon completely
Hydrocarbon both of which hydrocarbon producing rate plate is not arranged, subsequently into step 8)；Otherwise, 4) return to step, checks whether some geology
Factor is ignored, and constraint adjusts depositional and burial history and thermal history；8) part hydrocarbon expulsion mode is determined according to the actual exploration practices in oil field
Regulation coefficient, evaluates the hydrocarbon yield curve under the hydrocarbon expulsion of part, sets up comprising row's hydrocarbon completely, part row's hydrocarbon and does not arrange hydrocarbon
Two hydrocarbon producing rate plates of hydrocarbon yield-depth and hydrocarbon yield-Ro under three kinds of hydrocarbon expulsion modes.
The step 8) in, whole is arranged hydrocarbon, do not arrange hydrocarbon and partly arranges hydrocarbon and is defined as follows：1. whole row's hydrocarbon are referred to
Consider oil cracking gas, kerogen is discharged into oil, kerogen completely from hydrocarbon source rock into gas, not in the range of oil cracking gas window, here will be dry
Cheese root does product into gas conversion ratio and hydrocarbon potentiality into oil, kerogen, that is, obtain the hydrocarbon yield curve in the case of all row's hydrocarbon；②
Do not arrange hydrocarbon and refer to consideration oil cracking gas, kerogen is not discharged in hydrocarbon source rock into oil, when stratum buried depth increases, ground temperature increases,
There is oil-breaking into gas, now, do product with hydrocarbon potentiality with absolute oil and total gas conversion ratio, i.e., in the case of not arranged hydrocarbon
Hydrocarbon yield curve；3. part row hydrocarbon is referred to based on the hydrocarbon expulsion mode set up on the basis of not having hydrocarbon expulsion mode, now, acquisition oil cracking gas
Should be the situation of at utmost cracking gas, with regulation coefficient and the product of maximum oil cracking gas, lower as part row's hydrocarbon situation
Whole oil cracking gas, it is total into gas, the absolute oil adjusted in the case of obtaining part row's hydrocarbon and adjustment into oil, kerogen with reference to kerogen
Total gas of gas, the absolute oil adjusted in the case of arranging hydrocarbon with part and adjustment does product with hydrocarbon potentiality, that is, obtain part and arrange hydrocarbon situation
Under hydrocarbon yield curve.
The step 8) in, regulation coefficient is given according to the actual exploration practices in oil field, between 0～1, sign
It is the situation of the oily hair life primary migration that kerogen is generated.
The step 5) in, the research area destination layer position hydrocarbon primary rock producing hydrocarbon thresholding is true using following alternative one method
It is fixed：1. foundation weighs geochemical indicators S of the insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree1/TOC、S1/(S1+
S2) become suddenly big corner position with depth and determine hydrocarbon thresholding；2. it is corresponding with hydrocarbon thresholding according to reflectance of vitrinite Ro
Relation determines hydrocarbon thresholding.
The step 5) in, research area destination layer position Expelling Hydrocarbon Threshold of Source Rock adopts geochemical indicators (S1+S2)/
TOC is determined with the corner position that depth reduces suddenly.
The step 5) in, Thermal Evolution of Source Rocks degree is determined by reflectance of vitrinite analysis test；Type of hydrocarbon source rock
Determined by experiment of kerogen microscopy；Hydrocarbon potentiality are determined with reference to evolution level on the basis of Type of hydrocarbon source rock judges.
Due to taking above technical scheme, which has advantages below to the present invention：1st, the present invention due to introduce regulation coefficient this
One concept, take into full account all row's hydrocarbon, do not arrange hydrocarbon and part row's hydrocarbon these three situations, setting up a kind of includes arranging hydrocarbon, portion completely
Point row's hydrocarbon and the hydrocarbon source rock hydrocarbon producing rate plate under not arranging hydrocarbon these three hydrocarbon expulsion modes, so that the plate set up not only is more conformed to
Geology practical situation, and in can solve the problem that resource assessment, thorny hydrocarbon yield evaluates a difficult problem, and the research area target that will be set up
Layer position hydrocarbon source rock oil productivity (absolute oil (adjustment)), factor of created gase (total gas (adjustment)) section, the vitrinite reflectance of combining target layer position
Rate Ro isopleth map, obtains oil productivity, factor of created gase and the hydrocarbon yield isopleth map of destination layer position hydrocarbon source rock, can be research area's destination layer
Position computing hydrocarbon generating quantity of source evaluation provides important parameter.2nd, it is of the invention during hydrocarbon source rock hydrocarbon producing rate plate is set up, according to reality
Hydrocarbon source rock hydrocarbon yield is evaluated in the kinetics geology extrapolation surveyed under data constraint, i.e., based on Rock-Eval open experiment system rocks
Thermal simulation experiment data, closed experimental system crude oil thermal simulation experimental data and geologic data, and binding area deposition bury
History and thermal history data, using hydrocarbon-generating dynamics technology, take into full account the hydrocarbon thresholding of hydrocarbon source rock under geological conditions, row's hydrocarbon thresholding and
Evolution level, evaluates hydrocarbon source rock hydrocarbon yield (including arranging hydrocarbon and the hydrocarbon yield under the hydrocarbon expulsion mode of part completely).The hydrocarbon yield
Both geological model had been considered, it is contemplated that actual geological conditions, while chemical dynamic model has theoretical foundation, therefore evaluates
The hydrocarbon source rock hydrocarbon yield for going out has more credibility.3rd, the present invention is evaluated due to the regulation coefficient parameter of proposition part hydrocarbon expulsion mode
Hydrocarbon yield under the hydrocarbon expulsion mode of part, overcomes only complete in conventional hydrocarbon source rock hydrocarbon yield acquiring method and experimental simulation data
It is complete to arrange hydrocarbon and do not arrange the deficiency of the extreme hydrocarbon expulsion mode of hydrocarbon two.Hydrocarbon source rock hydrocarbon yield under the part hydrocarbon expulsion mode with practically
Hydrocarbon source rock hydrocarbon yield under matter more coincide, therefore with higher reasonability and accuracy so that each field operations personnel energy
Enough that the hydrocarbon source rock hydrocarbon yield for more accurately reasonably determining destination layer position is put into practice according to oil field prospecting, a kind of this method has science
And universality, technical service support can be provided for resource assessment work.
Description of the drawings
Fig. 1 is the schematic flow sheet of the inventive method；
Fig. 2 is the well location scattergram that Song-liao basin the north middle-shallow layer contains 1 well hydrocarbon source rock thermal simulation experiment sample；
Fig. 3 is the scattergram for containing 1 well Qingshankou group mud stone hydrocarbon source rock kerogen into oily activation energy；
Fig. 4 is the scattergram for containing 1 well Qingshankou group mud stone hydrocarbon source rock kerogen into gas activation energy；
Fig. 5 is the scattergram for containing 1 well Qingshankou group oil cracking gas activation energy；
Fig. 6 (a) is to represent Geochemistry Parameters (S1+S2The plate of)/TOC and depth relationship；
Fig. 6 (b) is to represent Geochemistry Parameters S1The plate of/TOC and depth relationship；
Fig. 6 (c) is to represent Geochemistry Parameters S1/(S1+S2) with the plate of depth relationship；
Fig. 6 (d) is the plate for representing maturity indices Ro and depth relationship；
Fig. 7 is one section of the northern Qingshankou group of Song-liao basin and two-stage nitration Type of hydrocarbon source rock rectangular histogram；
Fig. 8 (a) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and depth；
Fig. 8 (b) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and Maturity；
Fig. 9 (a) is the graph of a relation of hydrocarbon source rock conversion ratio and depth；
Fig. 9 (b) is the graph of a relation of hydrocarbon source conditions and depth；
Figure 10 (a) represents the relation between hydrocarbon source rock hydrocarbon yield and depth；
Figure 10 (b) represents the relation between hydrocarbon source rock hydrocarbon yield and Maturity；
Figure 11 is Song-liao basin the north middle-shallow layer Qingshankou one section of hydrocarbon source rock Ro isopleth map of group；
Figure 12 is Song-liao basin the north middle-shallow layer Qingshankou one section of hydrocarbon source rock oil productivity isopleth map of group；
Figure 13 is Song-liao basin the north middle-shallow layer Qingshankou one section of hydrocarbon source rock factor of created gase isopleth map of group；
Figure 14 is Song-liao basin the north middle-shallow layer Qingshankou one section of hydrocarbon source rock hydrocarbon yield isopleth map of group.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
As shown in figure 1, the present invention provide evaluation petroleum resources hydrocarbon source rock hydrocarbon producing rate plate method for building up, including with
Lower step：
1) gather laboratory sample and be determined by experiment its thermal simulation experiment data
Collection can represent the source rock sample of the actual geological condition in research area destination layer position, and according to research area's destination layer
Position hydrocarbon source rock petroleum geologic conditions, carry out Rock-eval (Rock-eval) and Py-gc (thermal cracking gas chromatography instrument) rock
Thermal simulation experiment, and golden pipe crude oil thermal simulation experiment.Wherein, Rock-eval can evaluate hydrocarbon source rock under experimental conditions not
The hydrocarbon source rock hydrocarbon yield of synthermal node；When Py-gc can simulate different temperatures node in oil hydrocarbon constituent content (C1、
C2-C5、C6-C13And C14+)；Golden pipe crude oil thermal simulation experiment can simulate the experiment number of crude oil cracking into gas under geological conditions
According to.
Collection simultaneously can represent the rock sample of research area destination layer position hydrocarbon source rock different evolution stages, to rock sample
Rock pyrolysis analysis test, rock total organic carbon analysis test and chloroform bitumen " A " analysis test are carried out, obtains including brucellosis
Solution S1, pyrolysis S2, Organic Carbon TOC and chloroform bitumen " A ".Wherein, it is pyrolyzed S1It is amount containing free hydrocarbon, refers to the list detected at 300 DEG C
Liquid hydrocarbon content in the quality oil source rock of position, mg/g (rock).Pyrolysis S2It is the amount of hydrocarbon containing kerogen, represents at 300 DEG C～600 DEG C
The cheese Root yield for being heated in the unit mass oil source rock of lower detection and cracking, mg/g (rock).
2) data collection
The Geochemical Parameters of collection research area destination layer position hydrocarbon source rock analysis in the past, and collect geological layering, Gu Di
The data such as warm gradient and ancient surface temperature.Geochemical Parameters included being pyrolyzed S in the past1, Organic Carbon TOC, chloroform bitumen " A " and mirror
The experimental data of plastid reflectance Ro.
3) kerogen oil generation, angry and Oil-splited gas kinetic parameter are demarcated
Using by step 1) in the open system rock hot-die that obtains of Rock-eval, Py-gc rock thermal simulation experiment
The experimental data of the enclosed system cracking of crude oil that draft experiment data and golden pipe crude oil thermal simulation experiment are obtained, using hydrocarbon power
Method, demarcates research area destination layer position hydrocarbon source rock kerogen oil generation, angry and Oil-splited gas kinetic parameter.
4) depositional and burial history and thermal history model of research area destination layer position hydrocarbon source rock are set up
Geological layering data, paleogeothermal gradient and ancient surface temperature according to research area destination layer position, set up research area's mesh
The depositional and burial history and thermal history model of the representative well of mark layer position hydrocarbon source rock.
5) set up hydrocarbon source rock hydrocarbon yield constraints
According to step 1) experimental data that obtains and step 2) the conventional Geochemical Parameters that obtain, it is determined that research area's target
The hydrocarbon thresholding of layer position hydrocarbon source rock, row's hydrocarbon thresholding, evolution level and Type of hydrocarbon source rock.Wherein：
Research area destination layer position hydrocarbon primary rock producing hydrocarbon thresholding is determined using two class methods：
1. foundation weighs geochemical indicators S of the insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree1/TOC、S1/
(S1+S2) hydrocarbon thresholding is determined with the corner position of depth increase suddenly；
2. hydrocarbon thresholding is determined with the corresponding relation of hydrocarbon thresholding according to reflectance of vitrinite Ro.
Row's hydrocarbon thresholding of research area destination layer position hydrocarbon source rock adopts geochemical indicators (S1+S2)/TOC subtracts with depth suddenly
Little corner position determines.
Thermal Evolution of Source Rocks degree is determined by reflectance of vitrinite Ro analysis tests.
Type of hydrocarbon source rock is determined by experiment of kerogen microscopy, and hydrocarbon potentiality are tied on the basis of Type of hydrocarbon source rock judges
Close evolution level to determine.
6) research area destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and the conversion of total gas are set up
Rate profile
According to step 3) the kerogen oil generation that calibrates, angry kerogen and Oil-splited gas kinetic parameter and step 4) build
Vertical depositional and burial history and thermal history model parameter, carry out kinetics geology extrapolation using hydrocarbon-generating dynamics method, obtain research area
Destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total gas conversion ratio profile.
7) check whether kinetics geology extrapolating results meet the requirements
Using step 5) the hydrocarbon thresholding that determines, row's hydrocarbon thresholding and Thermal Evolution of Source Rocks degree, testing sequence power 6)
Learn whether geology extrapolating results meet the requirements.If hydrocarbon thresholding and actual hydrocarbon primary rock producing hydrocarbon door that the extrapolation of kinetics geology determines
Limit is identical, and absolute oil peak of curve is consistent with row's hydrocarbon thresholding, and the Ro calculated using EASY Ro models (Ro computation models)
It is consistent with actual measurement Ro data, then meets examination requirements, now evaluates and meet only hydrocarbon and not having comprising arranging completely for geologic(al) factor
There is the conversion ratio plate of both patterns of row's hydrocarbon, and hydrocarbon yield be multiplied by hydrocarbon potentiality equal to conversion ratio, that is, obtain hydrocarbon producing rate plate,
Continue step 8)；
Otherwise, 4) return to step, checks whether that some geologic(al) factors are ignored, and constraint adjusts depositional and burial history and thermal history,
Until kinetics geology extrapolate determine hydrocarbon thresholding it is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve and arrange hydrocarbon door
Limit is consistent, and the Ro calculated using EASY Ro models is consistent with actual measurement Ro data.
8) part hydrocarbon expulsion mode regulation coefficient is proposed, evaluates the hydrocarbon yield curve under the hydrocarbon expulsion of part, foundation is included
Hydrocarbon, part row's hydrocarbon are arranged completely and do not arrange the hydrocarbon producing rate plate under three kinds of hydrocarbon expulsion modes of hydrocarbon
Regulation coefficient is given according to the actual exploration practices in oil field, and between 0～1, sign is that kerogen is generated
Oily hair give birth to primary migration situation.Under actual geology, the life residence of hydrocarbon source rock is not definitely all to arrange hydrocarbon and do not arrange hydrocarbon two
, i.e., also there is the situation that hydrocarbon is arranged in part in kind of situation, therefore present invention introduces regulation coefficient this concept, takes into full account whole rows
Hydrocarbon, hydrocarbon and part row's hydrocarbon these three situations are not arranged, so that the plate set up more conforms to geology practical situation.
Set up a kind of comprising arranging hydrocarbon, part row's hydrocarbon completely and not arranging the hydrocarbon producing rate plate under three kinds of hydrocarbon expulsion modes of hydrocarbon, should
Plate includes two plates of hydrocarbon yield-depth and hydrocarbon yield-Ro, and each plate includes nine hydrocarbon yield curve (hydrocarbon yields etc.
Hydrocarbon potentiality are multiplied by conversion ratio), i.e., kerogen (is adjusted into gas, kerogen into oil, oil cracking gas, absolute oil, total gas, total hydrocarbon, oil cracking gas
It is whole), absolute oil (adjustment) and total gas (adjustment).
The hydrocarbon producing rate plate of research area destination layer position considers with regulation coefficient as 1/2 that (oil field is according to actual geology feelings
Condition determines regulation coefficient) all arrange hydrocarbon, do not arrange hydrocarbon and partly arrange three kinds of hydrocarbon expulsion modes of hydrocarbon and produce accordingly to describe in detail
Hydrocarbon rate curve is constituted：
1. hydrocarbon is all arranged, oil cracking gas are not considered, kerogen is discharged completely from hydrocarbon source rock into gas into oil, kerogen, do not existed
In the range of oil cracking gas window, kerogen is done into product into gas conversion ratio and hydrocarbon potentiality into oil, kerogen here, that is, obtain and all arrange
(kerogen in Fig. 8 (a), Fig. 8 (b), Figure 10 (a) or Figure 10 (b) is into oil, kerogen into gas for hydrocarbon yield curve in the case of hydrocarbon
Two lines).
2. do not arrange hydrocarbon, it is considered to oil cracking gas, kerogen is not discharged in hydrocarbon source rock into oil, when stratum buried depth increases, ground
Temperature increases, and oil-breaking occurs into gas, now, does product with hydrocarbon potentiality with absolute oil and total gas conversion ratio, i.e., do not arranged hydrocarbon
In the case of hydrocarbon yield curve (absolute oil, total gas two lines in Fig. 8 (a), Fig. 8 (b), Figure 10 (a) or Figure 10 (b)).
3. hydrocarbon is arranged in part, and part hydrocarbon expulsion mode is set up on the basis of no hydrocarbon expulsion mode, now, obtains oil cracking gas
Should be the situation of at utmost cracking gas, with reference to oil field practical situation, introduce a regulation coefficient, regulation coefficient is 0～1 point
Cloth, with the product of regulation coefficient and maximum oil cracking gas, as the oil cracking gas (adjustment) in the case of the row's hydrocarbon of part, with reference to kerogen into
Oil, kerogen are into gas, the absolute oil (adjustment) and total gas (adjustment) in the case of the row's hydrocarbon of acquisition part, now, with part row's hydrocarbon situation
Under absolute oil (adjustment) and total gas (adjustment) and hydrocarbon potentiality do product, that is, obtain the hydrocarbon yield curve in the case of the row's hydrocarbon of part
Absolute oil (adjustment), total gas (adjustment) two lines in (as shown in Figure 10 (a) or Figure 10 (b)).
Wherein, oil cracking gas (adjustment), absolute oil (adjustment) and total gas (adjustment) press the acquisition of column count method：
Absolute oil (adjustment)=absolute oil+(kerogen is into oil-absolute oil) * regulation coefficients (1)
Oil cracking gas (adjustment)=oil cracking gas * regulation coefficients (2)
Total gas (adjustment)=oil cracking gas (adjustment)+kerogen is into gas (3)
The application of hydrocarbon source rock hydrocarbon producing rate plate：Will research one group of area destination layer position hydrocarbon source rock oil productivity (absolute oil (adjustment)),
Factor of created gase (total gas (adjustment)) section, the reflectance of vitrinite Ro isopleth maps of binding area destination layer position obtain research area's mesh
Oil productivity, factor of created gase and the hydrocarbon yield isopleth map of layer position are marked, provides important to study the computing hydrocarbon generating quantity of source evaluation of area destination layer position
Parameter.
Embodiment：By taking one section of Song-liao basin the north middle-shallow layer Qingshankou group as an example, with hydrocarbon source rock thermal simulation experiment data,
Matter layering, paleogeothermal gradient, ancient surface temperature, hydrocarbon thresholding depth, row's hydrocarbon thresholding, Thermal Evolution of Source Rocks maturation Ro sections and tune
Integral coefficient is the strong point, using the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation of the invention, is calculated
Key parameter hydrocarbon yield in Song-liao basin middle-shallow layer Qingshankou one section of oil and gas resource evaluation of group.Concretely comprise the following steps：
1) gather laboratory sample and be determined by experiment its thermal simulation experiment data
Based on the research of Song-liao basin the north middle-shallow layer Qingshankou one section of hydrocarbon source rock petroleum geologic conditions of group, 1 well is contained in collection
One section of source rock sample of (as shown in Figure 2) Qingshankou group, source rock sample meet following condition：TOC>0.5%；Maturity Ro<
0.5%, Rock-eval, Py-gc rock thermal simulation experiment is designed, different heating rates (5 DEG C, 10 DEG C and 20 DEG C) condition is obtained
Lower Py-gc rock thermal simulation experiment data and Rock-eval thermal simulation experiment data (as shown in 1～table of table 4)；And gather research
The crude oil sample of area destination layer position, the golden pipe crude oil thermal simulation experiment of design, under the conditions of obtaining different heating rates (2 DEG C and 20 DEG C)
Experimental data (as shown in table 5) of the oil-breaking into gas.
Source rock sample simulation Py-gc experimental datas during 15 DEG C of table
Source rock sample simulation Py-gc experimental datas during 2 10 DEG C of table
Source rock sample simulation Py-gc experimental datas during 3 20 DEG C of table
The experimental data value that 4 Rock-Eval thermal simulation experiment data monitorings of table are arrived
| Temperature | Hydrocarbon (5 DEG C/min) | Hydrocarbon (10 DEG C/min) | Hydrocarbon (20 DEG C/min) |
| 200 | 62 | 42 | 48 |
| 250 | 22 | 23 | 41 |
| 300 | 28 | 32 | 46 |
| 330 | 43 | 52 | 75 |
| 360 | 83 | 107 | 150 |
| 390 | 234 | 280 | 349 |
| 420 | 740 | 877 | 1017 |
| 450 | 1365 | 2458 | 3084 |
| 480 | 465 | 1830 | 5369 |
| 510 | 156 | 480 | 2048 |
| 540 | 102 | 239 | 694 |
| 570 | 75 | 168 | 420 |
| 600 | 54 | 123 | 303 |
| 630 | 36 | 88 | 215 |
Experimental data of the oil-breaking into gas under the conditions of the different heating rates of table 5 (2 DEG C with 20 DEG C)
As shown in Fig. 2 the rock sample under collection Qingshankou one section of different evolution stages of group, carries out Rock-eval rocks
Pyrolysis Experiment, rock total organic carbon analysis test and chloroform bitumen " A " analysis test etc..Here only show a part (such as 6 institute of table
Show)：
6 Song-liao basin of table the north Qingshankou group hydrocarbon source rock chloroform bitumen " A " Geochemistry Parameters statistical table
| Well-name | Data Source | Sample depth | Chloroform bitumen " A " |
| Cyclopentadienyl 206 | Loose north data | 1025 | 1.2481 |
| Cyclopentadienyl 206 | Loose north data | 1026 | 0.4264 |
| Cyclopentadienyl 206 | Loose north data | 1027 | 0.277 |
| Cyclopentadienyl 206 | Loose north data | 1028 | 0.2729 |
| Cyclopentadienyl 206 | Loose north data | 1029 | 0.1067 |
| Cyclopentadienyl 206 | Loose north data | 1030 | 0.0331 |
| Cyclopentadienyl 206 | Loose north data | 1031 | 0.334 |
| Cyclopentadienyl 206 | Loose north data | 1032 | 0.4185 |
| Cyclopentadienyl 206 | Loose north data | 1033 | 0.3581 |
| Cyclopentadienyl 206 | Loose north data | 1034 | 0.2081 |
| Cyclopentadienyl 206 | Loose north data | 1035 | 0.2058 |
| Cyclopentadienyl 206 | Loose north data | 1045 | 0.1411 |
| Cyclopentadienyl 206 | Loose north data | 1065 | 0.2819 |
| Cyclopentadienyl 206 | Loose north data | 1075 | 0.8567 |
| Cyclopentadienyl 206 | Loose north data | 1085 | 0.3355 |
| Cyclopentadienyl 206 | Loose north data | 1095 | 0.2481 |
| Cyclopentadienyl 206 | Loose north data | 1105 | 0.0075 |
| Cyclopentadienyl 206 | Loose north data | 1115 | 0.2649 |
| Cyclopentadienyl 206 | Loose north data | 1116 | 0.0233 |
| Cyclopentadienyl 206 | Loose north data | 1117 | 0.1692 |
| Cyclopentadienyl 206 | Loose north data | 1118 | 0.2927 |
| Cyclopentadienyl 206 | Loose north data | 1119 | 0.1554 |
| Cyclopentadienyl 206 | Loose north data | 1120 | 0.1571 |
| Cyclopentadienyl 206 | Loose north data | 1121 | 0.2189 |
| Cyclopentadienyl 206 | Loose north data | 1122 | 0.1851 |
| Cyclopentadienyl 206 | Loose north data | 1123 | 0.5793 |
| Cyclopentadienyl 206 | Loose north data | 1124 | 0.4791 |
| Cyclopentadienyl 206 | Loose north data | 1125 | 0.618 |
| Cyclopentadienyl 206 | Loose north data | 1126 | 0.0522 |
2) data collection
The Geochemical Parameters of Song-liao basin the north middle-shallow layer Qingshankou group one section of hydrocarbon source rock analysis in the past are collected, and is received
The data such as the collection research geological layering in area, paleogeothermal gradient, ancient surface temperature, little a part of data of here only exhibiting collection
(as shown in table 7)：
7 Song-liao basin middle-shallow layer Qingshankou one section of Geochemical Parameters of group of table
3) kerogen oil generation, angry and Oil-splited gas kinetic parameter are demarcated
Using step 1) in Rock-eval, Py-gc rock thermal simulation experiment obtain open system rock thermal simulation reality
The enclosed system rock thermal simulation experiment data that data and golden pipe crude oil thermal simulation experiment are obtained are tested, using hydrocarbon-generating dynamics side
Method, demarcates Song-liao basin the north middle-shallow layer and contains 1 well mud stone I type hydrocarbon source rock kerogen oil generation, angry and Oil-splited gas kinetics ginseng
Number.
The kinetic parameter of hydrocarbon source rock kerogen oil generation is mainly distributed on 209.73kJ/Mol (as shown in table 8 and Fig. 3)；Hydrocarbon
Source rock kerogen is mainly distributed on 211.78kJ/Mol into aerodynamics parameter (as shown in table 8 and Fig. 4)；Hydrocarbon source rock oil cracking gas are moved
Mechanics parameter is mainly distributed on 224.66kJ/Mol (as shown in table 8 and Fig. 5).
8 Song-liao basin of table the north middle-shallow layer contains 1 well Qingshankou group (K1qn) mud stone source rock into hydrocarbon kinetic parameter
4) depositional and burial history and thermal history model of research area destination layer position are set up
According to Song-liao basin the north middle-shallow layer geological layering data, paleogeothermal gradient and ancient surface temperature, research area is set up
The depositional and burial history and thermal history model of representative well, in the present embodiment, representative well is shallow-layer 12 wells of Gu, its
Buried history and thermal history model parameter are following (as shown in table 9)：
9 middle-shallow layer of table Gu 12 well buried histories-thermal history parameter
5) constraints
Based on research this experimental data of area destination layer position and conventional Geochemical Parameters, the hydrocarbon door of hydrocarbon source rock is determined
Limit, row's hydrocarbon thresholding, Type of hydrocarbon source rock and evolution level.Wherein, this experimental data includes rock pyrolysis S1, pyrolysis S2, it is organic
Carbon TOC and chloroform bitumen " A "；The Geochemical Parameters of analysis included being pyrolyzed S in the past1, chloroform bitumen " A ", Organic Carbon TOC and mirror
Plastid reflectance Ro.
As shown in Fig. 6 (a)～Fig. 6 (d), wherein, Fig. 6 (a) is to represent Geochemistry Parameters (S1+S2)/TOC and depth relationship
Plate, Fig. 6 (b) are to represent Geochemistry Parameters S1The plate of/TOC and depth relationship, Fig. 6 (c) is to represent Geochemistry Parameters S1/(S1+S2)
With the plate of depth relationship, Fig. 6 (d) is the plate for representing maturity indices Ro and depth relationship.Song-liao basin the north middle-shallow layer
Hydrocarbon thresholding depth is 1550m, and correspondence reflectance of vitrinite Ro is 0.65% (as shown in Fig. 6 (b), Fig. 6 (c) and Fig. 6 (d))；
Row's hydrocarbon thresholding depth is 2000m, and correspondence reflectance of vitrinite Ro is 1.00% (such as Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) and Fig. 6 (d)
It is shown).Hydrocarbon source rock organic matter type is mainly I types and II1 types (as shown in Figure 7), and hydrocarbon primary rock producing hydrocarbon potentiality are 700mg/gTOC.
6) research area destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and the conversion of total gas are set up
Rate profile
According to step 3) the kerogen oil generation that calibrates, angry and Oil-splited gas kinetic parameter and step 4) calibrate
Depositional and burial history and thermal history model parameter, carry out kinetics geology extrapolation using hydrocarbon-generating dynamics method, obtain research area's target
Layer position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total gas conversion ratio profile are (such as Fig. 8 (a), Fig. 8 (b)
It is shown).Wherein, Fig. 8 (a) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and depth, and Fig. 8 (b) represents that hydrocarbon source rock produces hydrocarbon
Relation schematic diagram between rate and Maturity.
7) check whether kinetics geology extrapolating results meet the requirements
Based on step 6) the geology extrapolating results that determine, i.e. hydrocarbon thresholding, row's hydrocarbon thresholding and Thermal Evolution of Source Rocks degree (mirror
Plastid reflectance Ro), using step 5) whether the constraints that draws inspection kinetics geology extrapolating results meet the requirements：
If the hydrocarbon thresholding depth that the extrapolation of kinetics geology determines is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil curve
Peak value is consistent with row's hydrocarbon thresholding, and the Ro calculated using EASY Ro models is consistent with actual measurement Ro data, then meet inspection
Require, continue step 8)；
Otherwise, 4) return to step, checks whether that some geologic(al) factors are ignored, and constraint adjusts depositional and burial history and thermal history,
Until kinetics geology extrapolate determine hydrocarbon thresholding depth it is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve and arrange
Hydrocarbon thresholding is consistent, and the Ro calculated using EASY Ro models is consistent with actual measurement Ro data.The present embodiment is with conversion ratio
0.1 corresponding position is hydrocarbon thresholding (as shown in Fig. 9 (a) and 9 (b)).
8) regulation coefficient is given, evaluates the hydrocarbon yield curve under the hydrocarbon expulsion mode of part, set up comprising row's hydrocarbon, part completely
Arrange hydrocarbon and do not arrange the hydrocarbon producing rate plate under three kinds of hydrocarbon expulsion modes of hydrocarbon
Regulation coefficient is given according to the actual exploration practices in oil field, between 0～1, specially：East regulation coefficient
Default value is 0.3, and middle part regulation coefficient default value is 0.4, and western regulation coefficient default value is 0.6, and each oil field can be according to reality
Border situation gives, and this Song-liao basin the north middle-shallow layer is 0.3 according to structural features, given regulation coefficient.
Set up be close to actual geology hydrocarbon and do not arrange the product hydrocarbon under three kinds of hydrocarbon expulsion modes of hydrocarbon comprising arranging hydrocarbon, part completely and arrange
Rate plate, hydrocarbon producing rate plate include two figures of hydrocarbon yield-depth and hydrocarbon yield-Ro, often scheme to include nine conversion rate curves, i.e.,
Kerogen (is adjusted into gas, kerogen into oil, oil cracking gas, absolute oil, total gas, total hydrocarbon, oil cracking gas (adjustment), absolute oil (adjustment) and total gas
It is whole).Wherein, oil cracking gas (adjustment), absolute oil (adjustment) and total gas (adjustment) press the acquisition of column count method：
Absolute oil (adjustment)=absolute oil+(kerogen is into oil-absolute oil) * regulation coefficients
Oil cracking gas (adjustment)=oil cracking gas * regulation coefficients
Total gas (adjustment)=oil cracking gas (adjustment)+kerogen is into gas
Data are changed according to Song-liao basin the north middle-shallow layer and determines original hydrocarbon potentiality, set up research area and contain 1 well Qingshankou
Group hydrocarbon source rock hydrocarbon producing rate plate (as shown in Figure 10 (a), Figure 10 (b)), wherein, Figure 10 (a) represents hydrocarbon source rock hydrocarbon yield and depth
Between relation, Figure 10 (b) represents the relation between hydrocarbon source rock hydrocarbon yield and Maturity.
The application of hydrocarbon source rock hydrocarbon producing rate plate：By Song-liao basin the north middle-shallow layer Qingshankou one group of hydrocarbon source rock oil productivity of group
(absolute oil (adjustment)), factor of created gase (total gas (adjustment)) section, with reference to one section of mirror matter of the northern middle-shallow layer Qingshankou group of Song-liao basin
Volume reflectivity Ro isopleth maps (as shown in figure 11), obtains the oil productivity (as shown in figure 12) of one section of Qingshankou group, factor of created gase and (such as schemes
Shown in 13) and hydrocarbon yield isopleth map (as shown in figure 14), important parameter is provided for the one section of computing hydrocarbon generating quantity of source evaluation of blue or green mouth group.
The various embodiments described above are merely to illustrate the present invention, and some of which method and steps can be what is be varied from, all
The equivalents and improvement carried out on the basis of technical solution of the present invention, should not exclude protection scope of the present invention it
Outward.
Claims (7)
1. a kind of method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in oil and gas resource evaluation, comprises the following steps：
1) collection can represent the source rock sample of the actual geological condition in research area destination layer position, and according to research area destination layer position
Hydrocarbon source rock petroleum geologic conditions, carry out Rock-eval, Py-gc rock thermal simulation experiment and golden pipe crude oil thermal simulation experiment；Simultaneously
Collection can represent the rock sample of research area destination layer position hydrocarbon source rock different evolution stages, carry out rock pyrolysis to rock sample
Analysis test, rock total organic carbon analysis test and chloroform bitumen " A " analysis test；
2) the conventional Geochemical Parameters of collection research area destination layer position hydrocarbon source rock, and collect geological layering, paleogeothermal gradient and Gu
Surface temperature data；Wherein, the Geochemical Parameters of analysis include being pyrolyzed S in the past1, chloroform bitumen " A ", Organic Carbon TOC and mirror
Plastid reflectance Ro；
3) using step 1) in Rock-eval, Py-gc rock thermal simulation experiment obtain open system rock thermal simulation experiment
Data, and the experimental data of the enclosed system cracking of crude oil of golden pipe crude oil thermal simulation experiment acquisition, using hydrocarbon-generating dynamics
Method, demarcates research area destination layer position hydrocarbon source rock kerogen oil generation, kerogen anger and Oil-splited gas kinetic parameter；
4) using step 2) in the research geological layering of area destination layer position, paleogeothermal gradient and ancient surface temperature data, set up
The depositional and burial history and thermal history model of the representative well of research area destination layer position hydrocarbon source rock；
5) according to step 1) this experimental data of research area destination layer position for obtaining and step 2) earth of conventional analysis that obtains
Chemical parameters, determine hydrocarbon thresholding, row's hydrocarbon thresholding, evolution level, Type of hydrocarbon source rock and the hydrocarbon potentiality of hydrocarbon source rock；
6) according to step 3) the kerogen oil generation that calibrates, angry kerogen and Oil-splited gas kinetic parameter and step 4) set up
Depositional and burial history and thermal history model, kinetics geology extrapolation is carried out using hydrocarbon-generating dynamics method, research area's destination layer is set up
Position hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total gas conversion ratio profile；
7) using step 5) the hydrocarbon thresholding that determines, row's hydrocarbon thresholding and Thermal Evolution of Source Rocks degree, testing sequence kinetics 6)
Whether geology extrapolating results meet the requirements：
If kinetics geology extrapolation determine hydrocarbon thresholding it is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve and arrange
Hydrocarbon thresholding is consistent, and the Ro calculated using EASY Ro models is consistent with actual measurement Ro data, then meet examination requirements, obtain
Go out to meet only to include for geologic(al) factor arrange completely hydrocarbon and do not arrange hydrocarbon both of which hydrocarbon producing rate plate, subsequently into step 8)；Its
In, arrange that hydrocarbon is referred to completely, kerogen is discharged into oil, kerogen completely from hydrocarbon source rock into gas, not oil into
In the range of transom window, kerogen is done into product into gas conversion ratio and hydrocarbon potentiality into oil, kerogen here, that is, obtain row's hydrocarbon feelings completely
Hydrocarbon yield curve under condition；Do not arrange hydrocarbon and refer to consideration oil cracking gas, kerogen is not discharged in hydrocarbon source rock into oil, when depth is buried on stratum
Degree increase, ground temperature are increased, and oil-breaking occur into gas, now, do product with hydrocarbon potentiality with absolute oil and total gas conversion ratio, that is, obtain
Hydrocarbon yield curve in the case of hydrocarbon is not arranged；
Otherwise, 4) return to step, checks whether that some geologic(al) factors are ignored, and constraint adjusts depositional and burial history and thermal history；
8) regulation coefficient of part hydrocarbon expulsion mode is determined according to the actual exploration practices in oil field, the product under the hydrocarbon expulsion of part is evaluated
Hydrocarbon rate curve, to set up and arrange hydrocarbon comprising row's hydrocarbon completely, part and not arrange the hydrocarbon yield-depth under three kinds of hydrocarbon expulsion modes of hydrocarbon and produce hydrocarbon
Two hydrocarbon producing rate plates of rate-Ro；Wherein, part is arranged hydrocarbon and is referred to based on the hydrocarbon expulsion mode set up on the basis of not having hydrocarbon expulsion mode, this
When, the situation that oil cracking gas should be at utmost cracking gas is obtained, with regulation coefficient and the product of maximum oil cracking gas, as part
The oil cracking gas adjusted in the case of row's hydrocarbon, with reference to kerogen into oil, kerogen into gas, the absolute oil adjusted in the case of obtaining part row's hydrocarbon
Do product, i.e. obtaining portion with hydrocarbon potentiality with total gas of total gas of adjustment, the absolute oil adjusted in the case of hydrocarbon being arranged with part and adjustment
Point row hydrocarbon in the case of hydrocarbon yield curve.
2. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 1, its feature
It is：The step 8) in, regulation coefficient is given according to the actual exploration practices in oil field, and between 0～1, sign is
The oily hair that kerogen is generated gives birth to the situation of primary migration.
3. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 1 or 2, which is special
Levy and be：The step 5) in, the research area destination layer position hydrocarbon primary rock producing hydrocarbon thresholding is determined using following alternative one method：
1. foundation weighs geochemical indicators S of the insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree1/TOC、S1/(S1+
S2) become suddenly big corner position with depth and determine hydrocarbon thresholding, S2It is the amount of hydrocarbon containing kerogen, represents at 300 DEG C～600 DEG C
The cheese Root yield for being heated in the unit mass oil source rock of detection and cracking；
2. hydrocarbon thresholding is determined with the corresponding relation of hydrocarbon thresholding according to reflectance of vitrinite Ro.
4. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 1 or 2, which is special
Levy and be：The step 5) in, research area destination layer position Expelling Hydrocarbon Threshold of Source Rock adopts geochemical indicators (S1+S2)/
The corner position determination that TOC reduces with depth suddenly, S2It is the amount of hydrocarbon containing kerogen, represents the list detected at 300 DEG C～600 DEG C
The cheese Root yield for being heated and cracking in the quality oil source rock of position.
5. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 1 or 2, which is special
Levy and be：The step 5) in, Thermal Evolution of Source Rocks degree is determined by reflectance of vitrinite analysis test；Type of hydrocarbon source rock is led to
Cross experiment of kerogen microscopy determination；Hydrocarbon potentiality are determined with reference to evolution level on the basis of Type of hydrocarbon source rock judges.
6. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 3, its feature
It is：The step 5) in, Thermal Evolution of Source Rocks degree is determined by reflectance of vitrinite analysis test；Type of hydrocarbon source rock passes through
Experiment of kerogen microscopy determines；Hydrocarbon potentiality are determined with reference to evolution level on the basis of Type of hydrocarbon source rock judges.
7. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as claimed in claim 4, its feature
It is：The step 5) in, Thermal Evolution of Source Rocks degree is determined by reflectance of vitrinite analysis test；Type of hydrocarbon source rock passes through
Experiment of kerogen microscopy determines；Hydrocarbon potentiality are determined with reference to evolution level on the basis of Type of hydrocarbon source rock judges.
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