CN104298883A - Establishment method for hydrocarbon source rock hydrocarbon production rate charts in petroleum resource assessment - Google Patents
Establishment method for hydrocarbon source rock hydrocarbon production rate charts in petroleum resource assessment Download PDFInfo
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Abstract
The invention relates to an establishment method for hydrocarbon source rock hydrocarbon production rate charts in petroleum resource assessment. The establishment method includes the steps of 1), collecting experimental samples and determining thermal simulation experiment data through experiments; 2), collecting materials; 3), calibrating kerogen generated oil, generated gas and oil-cracking gas kinetic parameters; 4), establishing sedimentary burial history and thermal-history models of hydrocarbon source rocks on a target stratum of a research area; 5), establishing constraint condition of hydrocarbon source rock hydrocarbon production rate; 6), establishing kerogen generated oil, kerogen generated gas, oil generated gas, clean and total gas conversion profile charts on the target stratum of the research area; 7), checking whether dynamics geological extrapolation results meet requirements or not; 8), putting forwards part of hydrocarbon expulsion mode adjustment coefficients, evaluating hydrocarbon production rate curves of the partial hydrocarbon expulsion model, and establishing the hydrocarbon source rock hydrocarbon production rate charts including three modes, namely the mode of complete hydrocarbon expulsion, the mode of partial hydrocarbon expulsion and the mode of no hydrocarbon expulsion. The shortcoming in an original calculating method and experiment simulated data of the hydrocarbon source rock hydrocarbon production rate is overcome, and the hydrocarbon source rock hydrocarbon production rate at the target stratum can be accurately and reasonably determined according to oil field exploration practice by oil field workers.
Description
Technical field
The present invention relates to a kind of method for evaluating hydrocarbon resources, particularly about the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation.
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, about the evaluation method of hydrocarbon source rock hydrocarbon yield, forefathers have done large quantity research, and the evaluation method of hydrocarbon source rock hydrocarbon yield mainly contained oil-gas generation experimental analogic method and element conservation method (or claiming material balance method) in the past.The former have ignored different geologic model (as burying speed, the underground temperature gradient) impact on hydrocarbon yield, and in laboratory thermal simulation situation, vitrinite evolution is developed inconsistent with vitrinite under geological condition; The latter needs to rely on experimental data accurately, and element (C, H and O) measures the restriction by experiment condition and funds, cannot meet current precision and comprehensive.
At present, hydrocarbon source rock hydrocarbon yield thermal simulation experiment mainly contains airtight experimental system (autoclave, golden pipe experimental facilities, MSSV experimental facilities), open experiment system (Rock-Eval and TG-MS experimental facilities) and the semi-open experimental system of semi-hermetic (thermal simulation of direct press type life residence, from purging system and debulking systems experimental facilities).Wherein, the advantage of airtight experimental system be evaluate sample hydrocarbon source rock hydrocarbon yield closer to hydrocarbon source rock hydrocarbon yield actual under geology, shortcoming to distinguish first cracking and second pyrolysis product, is difficult to measure C
6~ C
14component.Open experiment system refers to and adopts Rock-Eval (Rock-eval) pyrolysis instrument and modified instrument economy thereof, fast and accurately evaluate the hydrocarbon source rock hydrocarbon yield of sample, advantage can evaluate respectively to be cracked into oil for the first time, become the kinetic parameter of gas, shortcoming is the geologic condition (open system with underground reality, semiclosed Semi-open system and enclosed system are determined according to the structural setting of reality, namely tensile stress field is generally open system, extrusion stress field is generally enclosed system, the stress field of transition is generally semiclosed Semi-open system) do not mate.The semi-open experimental system of semi-hermetic adopts single temperature spot or the hydrocarbon source rock hydrocarbon yield of stationary temperature to sample to carry out thermal simulation mostly, inapplicable for continuous pyrolysis or hydrocarbon-generating dynamics research.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of more close to actual geology, more rationally and have more the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in the oil and gas resource evaluation of universality.
For achieving the above object, the present invention takes following technical scheme: the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation, comprise the following steps: 1) gather the source rock sample that can represent the actual geological condition in destination layer position, study area, and according to destination layer position, study area hydrocarbon source rock petroleum geologic conditions, carry out the simulated experiment of Rock-eval, Py-gc rock fever and golden pipe crude oil thermal simulation experiment; Gather the rock sample that can represent destination layer position, study area hydrocarbon source rock different evolution stages simultaneously, rock pyrolysis analysis test, rock total organic carbon analytical test and chloroform bitumen " A " analytical test are carried out to rock sample; 2) destination layer position, collection research district hydrocarbon source rock Geochemical Parameters in the past, and collect geological layering, paleogeothermal gradient and ancient surface temperature data; Wherein, the Geochemical Parameters in the past analyzed comprises pyrolysis S
1, chloroform bitumen " A ", Organic Carbon TOC and vitrinite reflectance Ro; 3) utilize step 1) in the simulated experiment of Rock-eval, Py-gc rock fever obtain open system rock fever simulated experiment data, and the experimental data of the enclosed system cracking of crude oil of golden pipe crude oil thermal simulation experiment acquisition, adopt hydrocarbon-generating dynamics method, demarcate destination layer position, study area hydrocarbon source rock kerogen oil generation, anger and Oil-splited gas kinetic parameter; 4) utilize step 2) in the geological layering of destination layer position, study area, paleogeothermal gradient and ancient surface temperature data, set up depositional and burial history and the thermal history model of the representative well of destination layer position, study area hydrocarbon source rock; 5) according to step 1) destination layer position, study area this experimental data and step 2 of obtaining) Geochemical Parameters in the past analyzed that obtains, determine the raw hydrocarbon thresholding of hydrocarbon source rock, row's hydrocarbon thresholding, evolution level, Type of hydrocarbon source rock and raw hydrocarbon potentiality; 6) according to step 3) the angry and Oil-splited gas kinetic parameter of the kerogen oil generation that calibrates, kerogen and step 4) depositional and burial history set up and thermal history model, adopt hydrocarbon-generating dynamics method to carry out the extrapolation of dynamics geology, set up destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view; 7) step 5 is utilized) the raw hydrocarbon thresholding degree of depth determined, row's hydrocarbon thresholding degree of depth and Thermal Evolution of Source Rocks degree, checking procedure 6) dynamics geology extrapolating results whether meet the requirements: if dynamics geology is extrapolated, the raw hydrocarbon thresholding degree of depth determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model to calculate conforms to actual measurement Ro data, then meet examination requirements, show that coincidently only comprising of quality factor arranges hydrocarbon completely and do not arrange hydrocarbon two kinds of pattern hydrocarbon producing rate plates, then enter step 8); Otherwise, return step 4), check whether some geologic agent is left in the basket, constraint adjustment depositional and burial history and thermal history; 8) according to the regulation coefficient of oil field actual exploration practices determining section hydrocarbon expulsion mode, evaluate the hydrocarbon yield curve under part hydrocarbon expulsion, set up to comprise and arrange hydrocarbon, part row's hydrocarbon and the hydrocarbon yield-degree of depth under not arranging hydrocarbon three kinds of hydrocarbon expulsion modes and hydrocarbon yield-Ro two hydrocarbon producing rate plates completely.
Described step 8) in, whole row's hydrocarbon, do not arrange hydrocarbon and part row hydrocarbon is defined as follows: 1. all arrange hydrocarbon and refer to and do not consider oil cracking gas, kerogen becomes oil, kerogen becomes gas to discharge from hydrocarbon source rock completely, not within the scope of oil cracking gas window, here become cyclostrophic rate to do product with raw hydrocarbon potentiality kerogen one-tenth oil, kerogen, namely obtain the hydrocarbon yield curve in whole row's hydrocarbon situation; 2. do not arrange hydrocarbon and refer to consideration oil cracking gas, kerogen becomes oil not discharge in hydrocarbon source rock, when stratum depth of burial increases, ground temperature increases, and occurs that oil-breaking becomes gas, now, do product by absolute oil and total cyclostrophic rate and raw hydrocarbon potentiality, namely obtain the hydrocarbon yield curve do not arranged in hydrocarbon situation; 3. part row hydrocarbon refers to the hydrocarbon expulsion mode based on not having hydrocarbon expulsion mode basis is set up, now, obtain the situation that oil cracking gas should be at utmost pyrolysis gas, with the product of regulation coefficient and maximum oil cracking gas, as the oil cracking gas adjusted in part row hydrocarbon situation, gas is become in conjunction with kerogen one-tenth oil, kerogen, the absolute oil adjusted under obtaining part row hydrocarbon situation and total gas of adjustment, do product with total gas of the absolute oil adjusted in part row hydrocarbon situation and adjustment with raw hydrocarbon potentiality, namely obtain the hydrocarbon yield curve in part row hydrocarbon situation.
Described step 8) in, regulation coefficient is given according to the actual exploration practices in oil field, between 0 ~ 1, sign be the situation of the raw primary migration of fry dried food ingredients that kerogen generates.
Described step 5) in, destination layer position, described study area hydrocarbon primary rock producing hydrocarbon thresholding adopt following the two one of method determine: 1. according to weighing the geochemical indicator S of insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree
1/ TOC, S
1/ (S
1+ S
2) become suddenly large corner position with the degree of depth and determine raw hydrocarbon thresholding; 2. raw hydrocarbon thresholding is determined according to vitrinite reflectance Ro and the corresponding relation of raw hydrocarbon thresholding.
Described step 5) in, destination layer position, described study area Expelling Hydrocarbon Threshold of Source Rock adopts geochemical indicator (S
1+ S
2the corner position that)/TOC reduces suddenly with the degree of depth is determined.
Described step 5) in, Thermal Evolution of Source Rocks degree is determined by vitrinite reflectance analytical test; Type of hydrocarbon source rock is determined by the experiment of kerogen microscopy; Raw hydrocarbon potentiality judge basis is determined in conjunction with evolution level in Type of hydrocarbon source rock.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to introducing this concept of regulation coefficient, take into full account and all arrange hydrocarbon, do not arrange hydrocarbon and these three kinds of situations of part row hydrocarbon, set up one to comprise and arrange hydrocarbon completely, part row's hydrocarbon and the hydrocarbon source rock hydrocarbon producing rate plate under not arranging these three kinds of hydrocarbon expulsion modes of hydrocarbon, not only geology actual conditions are more met to make the plate of foundation, and a hydrocarbon yield evaluation difficult problem thorny in resource evaluation can be solved, and destination layer position, the study area hydrocarbon source rock oil productivity (absolute oil (adjustment)) that will set up, factor of created gase (total gas (adjustment)) section, the vitrinite reflectance Ro equal-value map of combining target layer position, obtain the oil productivity of destination layer position hydrocarbon source rock, factor of created gase and hydrocarbon yield equal-value map, important parameter can be provided for the computing hydrocarbon generating quantity of source evaluation of destination layer position, study area.2, the present invention is in the process setting up hydrocarbon source rock hydrocarbon producing rate plate, hydrocarbon source rock hydrocarbon yield is evaluated according to the dynamics geology extrapolation under measured data constraint, namely based on Rock-Eval open experiment system rock fever simulated experiment data, airtight experimental system crude oil thermal simulation experiment data and geologic data, and binding district depositional and burial history and thermal history data, use hydrocarbon-generating dynamics technology, take into full account the raw hydrocarbon thresholding of hydrocarbon source rock under geologic condition, row's hydrocarbon thresholding and evolution level, evaluate hydrocarbon source rock hydrocarbon yield (comprising the hydrocarbon yield arranged completely under hydrocarbon and part hydrocarbon expulsion mode).This hydrocarbon yield both considered geologic model, considered again actual geologic condition, and chemical dynamic model has theoretical foundation simultaneously, and the hydrocarbon source rock hydrocarbon yield therefore evaluated has more confidence level.3, the present invention is owing to proposing the regulation coefficient parameter of part hydrocarbon expulsion mode, evaluate the hydrocarbon yield under part hydrocarbon expulsion mode, overcome in hydrocarbon source rock hydrocarbon yield acquiring method in the past and experimental simulation data the deficiency only had and arrange hydrocarbon completely and do not arrange hydrocarbon two extreme hydrocarbon expulsion modes.Hydrocarbon source rock hydrocarbon yield under this part hydrocarbon expulsion mode and the hydrocarbon source rock hydrocarbon yield under actual geology more identical, therefore there is higher rationality and accuracy, make each field operations personnel more accurately reasonably can determine the hydrocarbon source rock hydrocarbon yield of destination layer position according to oil field prospecting practice, a kind of this method has science and universality, can provide technical service support for resource evaluation work.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the inventive method;
Fig. 2 is the well location distribution plan that the northern middle-shallow layer of Song-liao basin contains 1 well hydrocarbon source rock thermal simulation experiment sample;
Fig. 3 is the distribution plan that Sheng 1 well Qingshankou group mud stone hydrocarbon source rock kerogen becomes oily energy of activation;
Fig. 4 is the distribution plan that Sheng 1 well Qingshankou group mud stone hydrocarbon source rock kerogen becomes gas energy of activation;
Fig. 5 is the distribution plan of Sheng 1 well Qingshankou group oil cracking gas energy of activation;
Fig. 6 (a) represents Geochemistry Parameters (S
1+ S
2the plate of)/TOC and depth relationship;
Fig. 6 (b) represents Geochemistry Parameters S
1the plate of/TOC and depth relationship;
Fig. 6 (c) represents Geochemistry Parameters S
1/ (S
1+ S
2) with the plate of depth relationship;
Fig. 6 (d) is the plate representing maturity indices Ro and depth relationship;
Fig. 7 is the northern Qingshankou group of Song-liao basin one section and two sections Type of hydrocarbon source rock histograms;
Fig. 8 (a) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and the degree of depth;
Fig. 8 (b) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and degree of ripeness;
Fig. 9 (a) is the graph of a relation of hydrocarbon source rock conversion ratio and the degree of depth;
Fig. 9 (b) is the graph of a relation of hydrocarbon source conditions and the degree of depth;
Figure 10 (a) represents the relation between hydrocarbon source rock hydrocarbon yield and the degree of depth;
Figure 10 (b) represents the relation between hydrocarbon source rock hydrocarbon yield and degree of ripeness;
Figure 11 is the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock Ro equal-value map;
Figure 12 is the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock oil productivity equal-value map;
Figure 13 is the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock factor of created gase equal-value map;
Figure 14 is the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock hydrocarbon yield equal-value map.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate of evaluation hydrocarbon resources provided by the invention, comprises the following steps:
1) gather laboratory sample and measure its thermal simulation experiment data by experiment
Collection can represent the source rock sample of the actual geological condition in destination layer position, study area, and according to destination layer position, study area hydrocarbon source rock petroleum geologic conditions, carry out Rock-eval (Rock-eval) and Py-gc (thermal cracking gas chromatography instrument) rock fever simulated experiment, and golden pipe crude oil thermal simulation experiment.Wherein, Rock-eval can evaluate the hydrocarbon source rock hydrocarbon yield of hydrocarbon source rock different temperatures node under experimental conditions; Component concentration (the C of hydrocarbon in oil when Py-gc can simulate different temperatures node
1, C
2-C
5, C
6-C
13and C
14+); Gold pipe crude oil thermal simulation experiment can simulate the experimental data of crude oil cracking into gas under geologic condition.
Gather the rock sample that can represent destination layer position, study area hydrocarbon source rock different evolution stages simultaneously, rock pyrolysis analysis test, rock total organic carbon analytical test and chloroform bitumen " A " analytical test are carried out to rock sample, obtains comprising rock pyrolysis S
1, pyrolysis S
2, Organic Carbon TOC and chloroform bitumen " A ".Wherein, pyrolysis S
1for containing free hydrocarbon amount, refer to the liquid hydrocarbon content in the unit mass oil source rock detected at 300 DEG C, mg/g (rock).Pyrolysis S
2for containing kerogen hydrocarbon amount, represent the kerogen output of the cracking by heating in the unit mass oil source rock detected at 300 DEG C ~ 600 DEG C, mg/g (rock).
2) data collection
The Geochemical Parameters that destination layer position, collection research district hydrocarbon source rock was analyzed in the past, and collect the data such as geological layering, paleogeothermal gradient and ancient surface temperature.Geochemical Parameters comprised pyrolysis S in the past
1, Organic Carbon TOC, chloroform bitumen " A " and vitrinite reflectance Ro experimental data.
3) kerogen oil generation, anger and Oil-splited gas kinetic parameter is demarcated
Utilize by step 1) in the open system rock fever simulated experiment data that obtain of Rock-eval, Py-gc rock fever simulated experiment and the experimental data of enclosed system cracking of crude oil that obtains of golden pipe crude oil thermal simulation experiment, adopt hydrocarbon-generating dynamics method, demarcate destination layer position, study area hydrocarbon source rock kerogen oil generation, anger and Oil-splited gas kinetic parameter.
4) depositional and burial history and the thermal history model of destination layer position, study area hydrocarbon source rock is set up
According to the geological layering data of destination layer position, study area, paleogeothermal gradient and ancient surface temperature, set up depositional and burial history and the thermal history model of the representative well of destination layer position, study area hydrocarbon source rock.
5) hydrocarbon source rock hydrocarbon yield constraint condition is set up
According to step 1) experimental data that obtains and step 2) Geochemical Parameters in the past that obtains, determine the raw hydrocarbon thresholding of destination layer position, study area hydrocarbon source rock, row's hydrocarbon thresholding, evolution level and Type of hydrocarbon source rock.Wherein:
Destination layer position, study area hydrocarbon primary rock producing hydrocarbon thresholding adopts two class methods to determine:
1. according to weighing the geochemical indicator S of insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree
1/ TOC, S
1/ (S
1+ S
2) corner position that increases suddenly with the degree of depth determines raw hydrocarbon thresholding;
2. raw hydrocarbon thresholding is determined according to vitrinite reflectance Ro and the corresponding relation of raw hydrocarbon thresholding.
Row's hydrocarbon thresholding of destination layer position, study area hydrocarbon source rock adopts geochemical indicator (S
1+ S
2the corner position that)/TOC reduces suddenly with the degree of depth is determined.
Thermal Evolution of Source Rocks degree is determined by vitrinite reflectance Ro analytical test.
Type of hydrocarbon source rock is determined by the experiment of kerogen microscopy, and raw hydrocarbon potentiality judge basis is determined in conjunction with evolution level in Type of hydrocarbon source rock.
6) destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view is set up
According to step 3) the angry and Oil-splited gas kinetic parameter of the kerogen oil generation that calibrates, kerogen and step 4) depositional and burial history set up and thermal history model parameter, adopt hydrocarbon-generating dynamics method to carry out the extrapolation of dynamics geology, obtain destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view.
7) dynamics geology extrapolating results is checked whether to meet the requirements
Utilize step 5) the raw hydrocarbon thresholding determined, row's hydrocarbon thresholding and Thermal Evolution of Source Rocks degree, checking procedure 6) dynamics geology extrapolating results whether meet the requirements.If dynamics geology is extrapolated, the raw hydrocarbon thresholding determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model (Ro computation model) to calculate conforms to actual measurement Ro data, then meet examination requirements, what now namely evaluate coincidently quality factor only comprises the conversion ratio plate arranged hydrocarbon completely and do not arrange these two kinds of patterns of hydrocarbon, and hydrocarbon yield equals conversion ratio is multiplied by raw hydrocarbon potentiality, namely obtain hydrocarbon producing rate plate, continue step 8);
Otherwise, return step 4), check whether some geologic agent is left in the basket, constraint adjustment depositional and burial history and thermal history, until dynamics geology is extrapolated, the raw hydrocarbon thresholding determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model to calculate conforms to actual measurement Ro data.
8) propose part hydrocarbon expulsion mode regulation coefficient, evaluate the hydrocarbon yield curve under part hydrocarbon expulsion, set up to comprise and arrange hydrocarbon, part row's hydrocarbon and the hydrocarbon producing rate plate under not arranging hydrocarbon three kinds of hydrocarbon expulsion modes completely
Regulation coefficient is given according to the actual exploration practices in oil field, between 0 ~ 1, sign be the situation of the raw primary migration of fry dried food ingredients that kerogen generates.Under actual geology, the life residence of hydrocarbon source rock is not definitely all arrange hydrocarbon and do not arrange hydrocarbon two kinds of situations, namely also there is the situation of part row hydrocarbon, therefore the present invention introduces this concept of regulation coefficient, take into full account and all arrange hydrocarbon, do not arrange hydrocarbon and part row hydrocarbon these three kinds of situations, more meet geology actual conditions to make the plate of foundation.
Set up a kind of comprising and arrange hydrocarbon, part row's hydrocarbon and the hydrocarbon producing rate plate under not arranging hydrocarbon three kinds of hydrocarbon expulsion modes completely, this plate comprises hydrocarbon yield-degree of depth and hydrocarbon yield-Ro two plates, each plate includes nine hydrocarbon yield curves (hydrocarbon yield equals conversion ratio and is multiplied by raw hydrocarbon potentiality), and namely kerogen becomes gas, kerogen to become oil, oil cracking gas, absolute oil, total gas, total hydrocarbon, oil cracking gas (adjustment), absolute oil (adjustment) and total gas (adjustment).
It is that 1/2 (oil field is according to actual geological condition determination regulation coefficient) describes in detail and all arrange hydrocarbon, do not arrange hydrocarbon and part row's hydrocarbon three kinds of hydrocarbon expulsion modes and corresponding hydrocarbon yield curve composition that the hydrocarbon producing rate plate of destination layer position, study area considers with regulation coefficient:
1. all hydrocarbon is arranged, do not consider oil cracking gas, kerogen becomes oil, kerogen becomes gas to discharge from hydrocarbon source rock completely, not within the scope of oil cracking gas window, here become cyclostrophic rate and raw hydrocarbon potentiality to do product kerogen one-tenth oil, kerogen, namely obtain the hydrocarbon yield curve (the kerogen one-tenth oil in Fig. 8 (a), Fig. 8 (b), Figure 10 (a) or Figure 10 (b), kerogen become gas two lines) in whole row's hydrocarbon situation.
2. hydrocarbon is not arranged, consider oil cracking gas, kerogen becomes oil not discharge in hydrocarbon source rock, when stratum depth of burial increases, ground temperature increases, and occurs that oil-breaking becomes gas, now, do product by absolute oil and total cyclostrophic rate and raw hydrocarbon potentiality, namely obtain the hydrocarbon yield curve (absolute oil in Fig. 8 (a), Fig. 8 (b), Figure 10 (a) or Figure 10 (b), total gas two lines) do not arranged in hydrocarbon situation.
3. part arranges hydrocarbon, part hydrocarbon expulsion mode sets up on the basis not having hydrocarbon expulsion mode, now, obtain the situation that oil cracking gas should be at utmost pyrolysis gas, in conjunction with oil field actual conditions, introduce a regulation coefficient, regulation coefficient is 0 ~ 1 distribution, with the product of regulation coefficient and maximum oil cracking gas, as the oil cracking gas (adjustment) in part row hydrocarbon situation, oil is become in conjunction with kerogen, kerogen becomes gas, obtain the absolute oil (adjustment) in part row hydrocarbon situation and total gas (adjustment), now, product is done with raw hydrocarbon potentiality with the absolute oil (adjustment) in part row hydrocarbon situation and total gas (adjustment), namely the absolute oil (adjustment) in the hydrocarbon yield curve (as Suo Shi Figure 10 (a) or Figure 10 (b)) in part row hydrocarbon situation is obtained, total gas (adjustment) two lines.
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 becomes oil-absolute oil) * regulation coefficient (1)
Oil cracking gas (adjustment)=oil cracking gas * regulation coefficient (2)
Total gas (adjustment)=oil cracking gas (adjustment)+kerogen becomes gas (3)
The application of hydrocarbon source rock hydrocarbon producing rate plate: by one group, destination layer position, study area hydrocarbon source rock oil productivity (absolute oil (adjustment)), factor of created gase (total gas (adjustment)) section, the vitrinite reflectance Ro equal-value map of destination layer position, binding district, obtain the oil productivity of destination layer position, study area, factor of created gase and hydrocarbon yield equal-value map, for the computing hydrocarbon generating quantity of source evaluation of destination layer position, study area provides important parameter.
Embodiment: for Song-liao basin northern middle-shallow layer Qingshankou group one section, with hydrocarbon source rock thermal simulation experiment data, geological layering, paleogeothermal gradient, ancient surface temperature, the raw hydrocarbon thresholding degree of depth, row's hydrocarbon thresholding, the ripe Ro section of Thermal Evolution of Source Rocks and regulation coefficient for the strong point, utilize 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 present invention, calculate key parameter hydrocarbon yield in Song-liao basin middle-shallow layer Qingshankou group one section of oil and gas resource evaluation.Concrete steps are:
1) gather laboratory sample and measure its thermal simulation experiment data by experiment
Based on the research of the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock petroleum geologic conditions, gather Sheng 1 well (as shown in Figure 2) Qingshankou group one section of source rock sample, source rock sample meets following condition: TOC>0.5%; Degree of ripeness Ro<0.5%, the simulated experiment of design Rock-eval, Py-gc rock fever, obtains Py-gc rock fever simulated experiment data and Rock-eval thermal simulation experiment data (as Suo Shi table 1 ~ table 4) under different heating rate (5 DEG C, 10 DEG C and 20 DEG C) condition; And gather the crude oil sample of destination layer position, study area, design golden pipe crude oil thermal simulation experiment, under obtaining different heating rate (2 DEG C with 20 DEG C) condition, oil-breaking becomes the experimental data of gas (as shown in table 5).
Source rock sample simulation Py-gc experimental data during 5 DEG C, table 1
Source rock sample simulation Py-gc experimental data during 10 DEG C, table 2
Source rock sample simulation Py-gc experimental data during 20 DEG C, table 3
The experimental data value that table 4 Rock-Eval thermal simulation experiment data monitoring arrives
| 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 |
Under the different heating rate of table 5 (2 DEG C with 20 DEG C) condition, oil-breaking becomes the experimental data of gas
As shown in Figure 2, gather the rock sample under Qingshankou group one section of different evolution stages, carry out the experiment of Rock-eval rock pyrolysis, rock total organic carbon analytical test and chloroform bitumen " A " analytical test etc.Here a part (as shown in table 6) is only shown:
Table 6 Song-liao basin northern Qingshankou group hydrocarbon source rock chloroform bitumen " A " Geochemistry Parameters statistical form
| Well-name | Data Source | Sample depth | Chloroform bitumen " A " |
| Luxuriant 206 | The northern data of pine | 1025 | 1.2481 |
| Luxuriant 206 | The northern data of pine | 1026 | 0.4264 |
| Luxuriant 206 | The northern data of pine | 1027 | 0.277 |
| Luxuriant 206 | The northern data of pine | 1028 | 0.2729 |
| Luxuriant 206 | The northern data of pine | 1029 | 0.1067 |
| Luxuriant 206 | The northern data of pine | 1030 | 0.0331 |
| Luxuriant 206 | The northern data of pine | 1031 | 0.334 |
| Luxuriant 206 | The northern data of pine | 1032 | 0.4185 |
| Luxuriant 206 | The northern data of pine | 1033 | 0.3581 |
| Luxuriant 206 | The northern data of pine | 1034 | 0.2081 |
| Luxuriant 206 | The northern data of pine | 1035 | 0.2058 |
| Luxuriant 206 | The northern data of pine | 1045 | 0.1411 |
| Luxuriant 206 | The northern data of pine | 1065 | 0.2819 |
| Luxuriant 206 | The northern data of pine | 1075 | 0.8567 |
| Luxuriant 206 | The northern data of pine | 1085 | 0.3355 |
| Luxuriant 206 | The northern data of pine | 1095 | 0.2481 |
| Luxuriant 206 | The northern data of pine | 1105 | 0.0075 |
| Luxuriant 206 | The northern data of pine | 1115 | 0.2649 |
| Luxuriant 206 | The northern data of pine | 1116 | 0.0233 |
| Luxuriant 206 | The northern data of pine | 1117 | 0.1692 |
[0086]?
| Luxuriant 206 | The northern data of pine | 1118 | 0.2927 |
| Luxuriant 206 | The northern data of pine | 1119 | 0.1554 |
| Luxuriant 206 | The northern data of pine | 1120 | 0.1571 |
| Luxuriant 206 | The northern data of pine | 1121 | 0.2189 |
| Luxuriant 206 | The northern data of pine | 1122 | 0.1851 |
| Luxuriant 206 | The northern data of pine | 1123 | 0.5793 |
| Luxuriant 206 | The northern data of pine | 1124 | 0.4791 |
| Luxuriant 206 | The northern data of pine | 1125 | 0.618 |
| Luxuriant 206 | The northern data of pine | 1126 | 0.0522 |
2) data collection
Collect the Geochemical Parameters that the northern middle-shallow layer Qingshankou group of Song-liao basin one section of hydrocarbon source rock was analyzed in the past, and the data such as the geological layering in collection research district, paleogeothermal gradient, ancient surface temperature, the little a part of data (as shown in table 7) at this only exhibiting collection:
Table 7 Song-liao basin middle-shallow layer Qingshankou group one section of Geochemical Parameters
3) kerogen oil generation, anger and Oil-splited gas kinetic parameter is demarcated
Utilize step 1) in the simulated experiment of Rock-eval, Py-gc rock fever obtain open system rock fever simulated experiment data and golden pipe crude oil thermal simulation experiment obtain enclosed system rock fever simulated experiment data, adopt hydrocarbon-generating dynamics method, demarcate the northern middle-shallow layer of Song-liao basin and contain 1 well mud stone I type hydrocarbon source rock kerogen oil generation, anger and Oil-splited gas kinetic parameter.
The kinetic parameter of hydrocarbon source rock kerogen oil generation is mainly distributed in 209.73kJ/Mol (as shown in table 8 and Fig. 3); Hydrocarbon source rock kerogen becomes aerodynamics parameter to be mainly distributed in 211.78kJ/Mol (as shown in table 8 and Fig. 4); Hydrocarbon source rock oil cracking gas kinetic parameter is mainly distributed in 224.66kJ/Mol (as shown in table 8 and Fig. 5).
The northern middle-shallow layer of table 8 Song-liao basin is contained 1 well Qingshankou group (K1qn) mud stone source rock and is become hydrocarbon kinetic parameter
4) depositional and burial history and the thermal history model of destination layer position, study area is set up
According to Song-liao basin northern middle-shallow layer geological layering data, paleogeothermal gradient and ancient surface temperature, set up depositional and burial history and the thermal history model of the representative well in study area, well representative in the present embodiment is ancient 12 wells of shallow-layer, its buried history and thermal history model parameter following (as shown in table 9):
The ancient 12 well buried history-thermal history parameters of table 9 middle-shallow layer
5) constraint condition
Based on this experimental data of destination layer position, study area and Geochemical Parameters in the past, determine the raw hydrocarbon thresholding of hydrocarbon source rock, row's hydrocarbon thresholding, Type of hydrocarbon source rock and evolution level.Wherein, this experimental data comprises rock pyrolysis S
1, pyrolysis S
2, Organic Carbon TOC and chloroform bitumen " A "; The Geochemical Parameters in the past analyzed comprises pyrolysis S
1, chloroform bitumen " A ", Organic Carbon TOC and vitrinite reflectance Ro.
As shown in Fig. 6 (a) ~ Fig. 6 (d), wherein, Fig. 6 (a) represents Geochemistry Parameters (S
1+ S
2the plate of)/TOC and depth relationship, Fig. 6 (b) represents Geochemistry Parameters S
1the plate of/TOC and depth relationship, Fig. 6 (c) represents Geochemistry Parameters S
1/ (S
1+ S
2) with the plate of depth relationship, Fig. 6 (d) is the plate representing maturity indices Ro and depth relationship.The northern middle-shallow layer of the Song-liao basin raw hydrocarbon thresholding degree of depth is 1550m, and corresponding vitrinite reflectance Ro is 0.65% (as shown in Fig. 6 (b), Fig. 6 (c) and Fig. 6 (d)); Row's hydrocarbon thresholding degree of depth is 2000m, and corresponding vitrinite reflectance Ro is 1.00% (as Suo Shi Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) and Fig. 6 (d)).Hydrocarbon source rock organic matter type is mainly I type and II1 type (as shown in Figure 7), and hydrocarbon primary rock producing hydrocarbon potentiality are 700mg/gTOC.
6) destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view is set up
According to step 3) the kerogen oil generation, anger and the Oil-splited gas kinetic parameter that calibrate and step 4) depositional and burial history that calibrates and thermal history model parameter, adopt hydrocarbon-generating dynamics method to carry out the extrapolation of dynamics geology, obtain destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view (as Suo Shi Fig. 8 (a), Fig. 8 (b)).Wherein, Fig. 8 (a) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and the degree of depth, and Fig. 8 (b) represents the relation schematic diagram between hydrocarbon source rock hydrocarbon yield and degree of ripeness.
7) dynamics geology extrapolating results is checked whether to meet the requirements
Based on step 6) the geology extrapolating results determined, namely raw hydrocarbon thresholding, row's hydrocarbon thresholding and Thermal Evolution of Source Rocks degree (vitrinite reflectance Ro), utilize step 5) whether the constraint condition inspection dynamics geology extrapolating results that draws meet the requirements:
If dynamics geology is extrapolated, the raw hydrocarbon thresholding degree of depth determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model to calculate conforms to actual measurement Ro data, then meet examination requirements, continue step 8);
Otherwise, return step 4), check whether some geologic agent is left in the basket, constraint adjustment depositional and burial history and thermal history, until dynamics geology is extrapolated, the raw hydrocarbon thresholding degree of depth determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model to calculate conforms to actual measurement Ro data.The present embodiment to be made a living hydrocarbon thresholding (as shown in Fig. 9 (a) and 9 (b)) with the position of conversion ratio 0.1 correspondence.
8) given regulation coefficient, evaluates the hydrocarbon yield curve under part hydrocarbon expulsion mode, sets up to comprise and arranges hydrocarbon, part row's hydrocarbon and the hydrocarbon producing rate plate under not arranging hydrocarbon three kinds of hydrocarbon expulsion modes completely
Regulation coefficient is given according to the actual exploration practices in oil field, between 0 ~ 1, be specially: east regulation coefficient default value is 0.3, middle part regulation coefficient default value is 0.4, western regulation coefficient default value is 0.6, each oil field can be given according to actual conditions, and the northern middle-shallow layer of this Song-liao basin is according to structural attitude, and given regulation coefficient is 0.3.
Set up the hydrocarbon producing rate plate close to comprising of actual geology arranges hydrocarbon completely, part is arranged hydrocarbon and do not arranged under hydrocarbon three kinds of hydrocarbon expulsion modes, hydrocarbon producing rate plate comprises hydrocarbon yield-degree of depth and hydrocarbon yield-Ro two figure, often figure includes nine conversion rate curves, and namely kerogen becomes gas, kerogen to become oil, oil cracking gas, absolute oil, total gas, total hydrocarbon, oil cracking gas (adjustment), absolute oil (adjustment) and total gas (adjustment).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 becomes oil-absolute oil) * regulation coefficient
Oil cracking gas (adjustment)=oil cracking gas * regulation coefficient
Total gas (adjustment)=oil cracking gas (adjustment)+kerogen becomes gas
Change data determine original raw hydrocarbon potentiality according to the northern middle-shallow layer of Song-liao basin, set up study area and contain 1 well Qingshankou group hydrocarbon source rock hydrocarbon producing rate plate (as Suo Shi Figure 10 (a), Figure 10 (b)), wherein, Figure 10 (a) represents the relation between hydrocarbon source rock hydrocarbon yield and the degree of depth, and Figure 10 (b) represents the relation between hydrocarbon source rock hydrocarbon yield and degree of ripeness.
The application of hydrocarbon source rock hydrocarbon producing rate plate: by northern for Song-liao basin middle-shallow layer Qingshankou group one group of hydrocarbon source rock oil productivity (absolute oil (adjustment)), factor of created gase (total gas (adjustment)) section, in conjunction with the vitrinite reflectance Ro equal-value map (as shown in figure 11) of Song-liao basin northern middle-shallow layer Qingshankou group one section, obtain the oil productivity (as shown in figure 12) of Qingshankou group one section, factor of created gase (as shown in figure 13) and hydrocarbon yield equal-value map (as shown in figure 14), for the one section of computing hydrocarbon generating quantity of source evaluation of blue or green mouth group provides important parameter.
The various embodiments described above are only for illustration of the present invention, and certain methods wherein and step can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. a method for building up for the hydrocarbon source rock hydrocarbon producing rate plate in oil and gas resource evaluation, comprises the following steps:
1) gather the source rock sample that can represent the actual geological condition in destination layer position, study area, and according to destination layer position, study area hydrocarbon source rock petroleum geologic conditions, carry out the simulated experiment of Rock-eval, Py-gc rock fever and golden pipe crude oil thermal simulation experiment; Gather the rock sample that can represent destination layer position, study area hydrocarbon source rock different evolution stages simultaneously, rock pyrolysis analysis test, rock total organic carbon analytical test and chloroform bitumen " A " analytical test are carried out to rock sample;
2) destination layer position, collection research district hydrocarbon source rock Geochemical Parameters in the past, and collect geological layering, paleogeothermal gradient and ancient surface temperature data; Wherein, the Geochemical Parameters in the past analyzed comprises pyrolysis S
1, chloroform bitumen " A ", Organic Carbon TOC and vitrinite reflectance Ro;
3) utilize step 1) in the simulated experiment of Rock-eval, Py-gc rock fever obtain open system rock fever simulated experiment data, and the experimental data of the enclosed system cracking of crude oil of golden pipe crude oil thermal simulation experiment acquisition, adopt hydrocarbon-generating dynamics method, demarcate destination layer position, study area hydrocarbon source rock kerogen oil generation, anger and Oil-splited gas kinetic parameter;
4) utilize step 2) in the geological layering of destination layer position, study area, paleogeothermal gradient and ancient surface temperature data, set up depositional and burial history and the thermal history model of the representative well of destination layer position, study area hydrocarbon source rock;
5) according to step 1) destination layer position, study area this experimental data and step 2 of obtaining) Geochemical Parameters in the past analyzed that obtains, determine the raw hydrocarbon thresholding of hydrocarbon source rock, row's hydrocarbon thresholding, evolution level, Type of hydrocarbon source rock and raw hydrocarbon potentiality;
6) according to step 3) the angry and Oil-splited gas kinetic parameter of the kerogen oil generation that calibrates, kerogen and step 4) depositional and burial history set up and thermal history model, adopt hydrocarbon-generating dynamics method to carry out the extrapolation of dynamics geology, set up destination layer position, study area hydrocarbon source rock kerogen oil generation, kerogen anger, oil cracking gas, absolute oil and total cyclostrophic rate sectional view;
7) utilize step 5) the raw hydrocarbon thresholding degree of depth determined, row's hydrocarbon thresholding degree of depth and Thermal Evolution of Source Rocks degree, checking procedure 6) dynamics geology extrapolating results whether meet the requirements:
If dynamics geology is extrapolated, the raw hydrocarbon thresholding degree of depth determined is identical with actual hydrocarbon primary rock producing hydrocarbon thresholding, absolute oil peak of curve conforms to row's hydrocarbon thresholding, and the Ro adopting EASY Ro model to calculate conforms to actual measurement Ro data, then meet examination requirements, show that coincidently only comprising of quality factor arranges hydrocarbon completely and do not arrange hydrocarbon two kinds of pattern hydrocarbon producing rate plates, then enter step 8);
Otherwise, return step 4), check whether some geologic agent is left in the basket, constraint adjustment depositional and burial history and thermal history;
8) according to the regulation coefficient of oil field actual exploration practices determining section hydrocarbon expulsion mode, evaluate the hydrocarbon yield curve under part hydrocarbon expulsion, set up to comprise and arrange hydrocarbon, part row's hydrocarbon and the hydrocarbon yield-degree of depth under not arranging hydrocarbon three kinds of hydrocarbon expulsion modes and hydrocarbon yield-Ro two hydrocarbon producing rate plates completely.
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, is characterized in that: described step 8) in, all arrange hydrocarbon, do not arrange hydrocarbon and part row hydrocarbon be defined as follows:
1. all arrange hydrocarbon to refer to and do not consider oil cracking gas, kerogen becomes oil, kerogen becomes gas to discharge from hydrocarbon source rock completely, not within the scope of oil cracking gas window, become cyclostrophic rate to do product with raw hydrocarbon potentiality kerogen one-tenth oil, kerogen here, namely obtain the hydrocarbon yield curve in whole row's hydrocarbon situation;
2. do not arrange hydrocarbon and refer to consideration oil cracking gas, kerogen becomes oil not discharge in hydrocarbon source rock, when stratum depth of burial increases, ground temperature increases, and occurs that oil-breaking becomes gas, now, do product by absolute oil and total cyclostrophic rate and raw hydrocarbon potentiality, namely obtain the hydrocarbon yield curve do not arranged in hydrocarbon situation;
3. part row hydrocarbon refers to the hydrocarbon expulsion mode based on not having hydrocarbon expulsion mode basis is set up, now, obtain the situation that oil cracking gas should be at utmost pyrolysis gas, with the product of regulation coefficient and maximum oil cracking gas, as the oil cracking gas adjusted in part row hydrocarbon situation, gas is become in conjunction with kerogen one-tenth oil, kerogen, the absolute oil adjusted under obtaining part row hydrocarbon situation and total gas of adjustment, do product with total gas of the absolute oil adjusted in part row hydrocarbon situation and adjustment with raw hydrocarbon potentiality, namely obtain the hydrocarbon yield curve in part row hydrocarbon situation.
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, it is characterized in that: described step 8) in, regulation coefficient is given according to the actual exploration practices in oil field, between 0 ~ 1, sign be the situation of the raw primary migration of fry dried food ingredients that kerogen generates.
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 2, it is characterized in that: described step 8) in, regulation coefficient is given according to the actual exploration practices in oil field, between 0 ~ 1, sign be the situation of the raw primary migration of fry dried food ingredients that kerogen generates.
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 or 3 or 4, it is characterized in that: described step 5) in, one of both destination layer position, described study area hydrocarbon primary rock producing hydrocarbon thresholding employings below method is determined:
1. according to weighing the geochemical indicator S of insoluble organic matter to Soluble Organic Matter or hydrocarbon conversion degree
1/ TOC, S
1/ (S
1+ S
2) become suddenly large corner position with the degree of depth and determine raw hydrocarbon thresholding;
2. raw hydrocarbon thresholding is determined according to vitrinite reflectance Ro and the corresponding relation of raw hydrocarbon thresholding.
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 1 or 2 or 3 or 4, is characterized in that: described step 5) in, destination layer position, described study area Expelling Hydrocarbon Threshold of Source Rock adopts geochemical indicator (S
1+ S
2the corner position that)/TOC reduces suddenly with the degree of depth is determined.
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 5, is characterized in that: described step 5) in, destination layer position, described study area Expelling Hydrocarbon Threshold of Source Rock adopts geochemical indicator (S
1+ S
2the corner position that)/TOC reduces suddenly with the degree of depth is determined.
8. the method for building up of the hydrocarbon source rock hydrocarbon producing rate plate in a kind of oil and gas resource evaluation as described in claim 1 or 2 or 3 or 4 or 7, is characterized in that: described step 5) in, Thermal Evolution of Source Rocks degree is determined by vitrinite reflectance analytical test; Type of hydrocarbon source rock is determined by the experiment of kerogen microscopy; Raw hydrocarbon potentiality judge basis is determined in conjunction with evolution level in Type of hydrocarbon source rock.
9. 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 5, is characterized in that: described step 5) in, Thermal Evolution of Source Rocks degree is determined by vitrinite reflectance analytical test; Type of hydrocarbon source rock is determined by the experiment of kerogen microscopy; Raw hydrocarbon potentiality judge basis is determined in conjunction with evolution level in Type of hydrocarbon source rock.
10. 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 6, is characterized in that: described step 5) in, Thermal Evolution of Source Rocks degree is determined by vitrinite reflectance analytical test; Type of hydrocarbon source rock is determined by the experiment of kerogen microscopy; Raw hydrocarbon potentiality judge basis is determined in conjunction with evolution level in Type of hydrocarbon source rock.
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