A gas-bearing evaluation method for tight sandstone gas reservoirs based on elastic mechanical parameters

Liang Zhongkui; Li Xueying; Sun Aiyan; Meng Lingjian; Yan Changqing; Zhou He

doi:10.7623/syxb202510006

English Version Reader LoginJournal Login

您当前的位置：

首页 >

文章列表页 >

A gas-bearing evaluation method for tight sandstone gas reservoirs based on elastic mechanical parameters

更新时间：2025-11-08

- A gas-bearing evaluation method for tight sandstone gas reservoirs based on elastic mechanical parameters
- ACTA PETROLEI SINICA Vol. 46, Issue 10, Pages: 1906-1915(2025)
- 作者机构：
  
  1. 中国石油冀东油田公司勘探开发研究院,河北,唐山,063004
  2. 东北石油大学地球科学学院,黑龙江,大庆,163318
- 作者简介：
- 基金信息：
- DOI：10.7623/syxb202510006
  CLC： TE122.2
- Published Online：04 November 2025，
  
  Published：04 November 2025
- 稿件说明：
移动端阅览
梁忠奎, 李雪英, 孙爱艳, 孟令箭, 闫长青, 周贺. 基于弹性力学参数的致密砂岩气储层含气性评价方法[J]. 石油学报, 2025, 46(10): 1906-1915.

Liang Zhongkui, Li Xueying, Sun Aiyan, et al. A gas-bearing evaluation method for tight sandstone gas reservoirs based on elastic mechanical parameters[J]. Acta petrolei sinica, 2025, 46(10): 1906-1915.
梁忠奎, 李雪英, 孙爱艳, 孟令箭, 闫长青, 周贺. 基于弹性力学参数的致密砂岩气储层含气性评价方法[J]. 石油学报, 2025, 46(10): 1906-1915. DOI： 10.7623/syxb202510006.

Liang Zhongkui, Li Xueying, Sun Aiyan, et al. A gas-bearing evaluation method for tight sandstone gas reservoirs based on elastic mechanical parameters[J]. Acta petrolei sinica, 2025, 46(10): 1906-1915. DOI： 10.7623/syxb202510006.

摘要

针对致密砂岩气藏储层物性差、孔隙结构复杂所导致的流体性质判别和饱和度计算难题

提出了一种基于阵列声波测井的含气性评价方法。通过开展核磁共振-变饱和度声波速度联测实验

研究了不同孔隙结构条件下弹性力学参数随含水饱和度的变化规律

优选体积模量和核磁共振横向弛豫时间(T

)几何均值构建敏感复合参数

与纵波/横波速度比交会

建立了流体性质判别图版

该图版显著降低了孔隙结构的影响

实现了气层、气-水同层和水层的准确识别。基于Gassmann理论框架

建立了变Brie系数的Gassmann-Brie方程以计算不同孔隙结构储层的体积模量

进而构建了基于变骨架弹性模量比的差比综合参数的含水饱和度计算模型。通过地层元素测井精确获取地层岩石骨架体积模量和剪切模量

实现了基于阵列声波测井的含水饱和度精确计算(平均相对误差小于5%)。该方法为致密砂岩气藏的定性识别与定量评价提供了技术支撑。

Abstract

A gas-bearing evaluation method based on array acoustic logging is proposed to overcome the difficulties in fluid property discrimination and saturation estimation arising from poor reservoir quality and complex pore structures in tight sandstone gas reservoirs. Through integrated experiments of nuclear magnetic resonance (NMR)and variable saturation acoustic velocity

the variation patterns of elastic mechanical parameters with water saturation under different pore structure conditions were investigated. The bulk modulus and geometric mean of NMR transverse relaxation time (T

)we

re optimized to construct a sensitive composite parameter. Combined with the velocity ratio of P-wave to S-wave

a fluid property identification cross-plot was established. The cross-plot method significantly reduces the influence of pore structure heterogeneity and enables accurate identification of gas layers

gas-water coexistence layers

and water-bearing layers. Within the framework of Gassmann theory

Gassmann-Brie equation with an adjustable Brie’s exponent was developed to calculate the bulk modulus of reservoirs with different pore structures. Based on this

a water saturation calculation model was constructed using a composite parameter derived from the differential ratio of variable-frame elastic moduli. Element capture spectroscopy was employed to accurately obtain the bulk modulus and shear modulus of the formation matrix. This enabled precise calculation of water saturation based on array acoustic logging

with an average relative error of less than 5 % . The proposed method provides technical support for both qualitative identification and quantitative evaluation of tight sandstone gas reservoirs.

关键词

Keywords

references

国家市场监督管理总局, 国家标准化管理委员会.致密砂岩气地质评价方法:GB/T 30501—2022[S].北京:中国标准出版社, 2022.

成志刚, 张蕾, 赵建武, 等.利用岩石声学特性评价致密砂岩储层含气性[J].测井技术, 2013, 37(3):253-257.

GREGORY A R.Fluid saturation effects on dynamic elastic properties of sedimentary rocks[J].Geophysics, 1976, 41(5):895-921.

王大兴.致密砂岩气储层的岩石物理模型研究[J].地球物理学报, 2016, 59(12):4603-4622.

SIGGINS A F, DEWHURST D N.Saturation, pore pressure and effective stress from sandstone acoustic properties[J].Geophysical Research Letters, 2003, 30(2):1089.

SI W P, DI B R, WEI J X, et al.Experimental study of water saturation effect on acoustic velocity of sandstones[J].Journal of Natural Gas Science and Engineering, 2016, 33:37-43.

HAN D H, BATZLE M L.Gassmann’s equation and fluid-saturation effects on seismic velocities[J].Geophysics, 2004, 69(2):398-405.

WANG J B, REN Z Z, SONG Z P, et al.Study of the effect of micro-pore characteristics and saturation degree on the longitudinal wave velocity of sandstone[J].Arabian Journal of Geosciences, 2019, 12(13):394.

EL-HUSSEINY A, VEGA S, NIZAMUDDIN S.The effect of pore structure complexity and saturation history on the variations of acoustic velocity as function of brine and oil saturation in carbonates[J].Journal of Petroleum Science and Engineering, 2019, 179:180-191.

OMOVIE S J.Novel method for estimating water saturation in gas reservoirs using acoustic log P-wave and S-wave velocities[C]//SPWLA 65th Annual Logging Symposium.Rio de Janeiro:SPWLA, 2024.

ABE J S, EDIGBUE P I, LAWRENCE S G.Rock physics analysis and Gassmann’s fluid substitution for reservoir characterization of "G" field, Niger Delta[J].Arabian Journal of Geosciences, 2018, 11(21):656.

SHUAI Shichen, GUO Kecai, CAI Liang, et al.Innovative fluid characterization methodology for ultradeep tight reservoirs in different formation types:Tarim Basin case studies[C]//SPWLA Asia-Pacific Regional Conference.Bangkok:SPWLA, 2024.

PRASAD U, ALARCON P N, FRANQUET J.New method of XRF/XRD based mineralogy for estimating matrix-modulus, Biot’s-coefficient and effective-stress using VRH and HS bounds of rock physics principles[C]//The 58th U.S.Rock Mechanics/Geomechanics Symposium.Golden, Colorado:ARMA, 2024.

PRASAD U, HANIF A, MCGLYNN I, et al.An innovative methodology for estimating rock mechanical properties from weight or volume fractions of mineralogy and its application to Middle East reservoirs[R].SPE 204687, 2021.

王才志, 张丽君.基于地层弹性模量建立含气饱和度模型[J].石油勘探与开发.2007, 34(5):598-602.

傅宁, 杨树春, 贺清, 等.鄂尔多斯盆地东缘临兴—神府区块致密砂岩气高效成藏条件[J].石油学报, 2016, 37(增刊1):111-120.

付晓燕, 王华, 冯炎松, 等.鄂尔多斯盆地东部米脂地区石盒子组8段储层特征及物性下限确定[J].天然气勘探与开发 , 2022, 45(1):33-39.

国家能源局.岩样声波特性的实验室测量规范:SY/T 6351—2012[S].北京:石油工业出版社, 2012.

国家能源局.岩样核磁共振参数实验室测量规范:SY/T 6490—2023[S].北京:石油工业出版社, 2024.

LIANG Zhongkui, LI Xueying, SUN Aiyan, et al.Nuclear magnetic resonance logging-based permeability classification modeling for tight sandstone reservoirs[J].Processes, 2024, 12(7):1309.

曾鑫, 孙建孟, 崔瑞康, 等.孔隙含气压力对不同孔隙结构砂岩声学属性的影响[J].科学技术与工程, 2020, 20(6):2192-2201.

马明明, 周凤鸣, 刘志军, 等.基于弹性力学参数的天然气识别评价技术研究[J].应用声学, 2016, 35(5):438-446.

刘国强, 谭廷栋.孔隙度和含气饱和度的弹性模量计算方法[J].石油勘探与开发, 1993, 20(5):33-41.

NOLEN-HOEKSEMA R C.Modulus-porosity relations, Gassmann’s equations, and the low-frequency elastic-wave response to fluids[J]. Geophysics, 2000, 65(5):1355-1363.

BIOT M A.General theory of three-dimensional consolidation[J].Journal of Applied Physics, 1991, 12(2):155-164.

BRIE A, PAMPURI F, MARSALA A F, et al.Shear sonic interpretation in gas-bearing sands[R].SPE 30595, 1995.

袁超, 马萌, 周灿灿, 等.结合地层元素测井和密度测井提高孔隙度评价精度[J].测井技术, 2018, 42(2):145-148.

NUR A.Critical porosity and the seismic velocity in rocks[J].EOS Transactions American Geophysical Union, 1992, 73(1):43-66.

ROHAN E, NGUYEN V H, NAILI S.Homogenization of fluid saturated double porosity media with a new type of the contrast in the Biot mesoscopic model[J].Applied Mathematical Modelling, 2024, 125:750-777.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Hydrocarbon exploration breakthrough of Fengcheng Formation of Well WT1 in the Well Pen-1 West sag of Junggar Basin and its significance

A new evaluation method for recoverable reserves of water-bearing tight sandstone gas reservoir and its application

Geologic thresholds and its gas-controlling function during forming process of tight sandstone gas reservoir

Development characteristics of fractures in Jurassic tight reservoir in Dibei area of Kuqa depression and its reservoir-controlling mode

Related Author

Chen Hailong

Su Dongxu

Wang Jiangtao

Pan Jin

Liu Longsong

Jiang Mengya

Zhu Yongcai

Zhang Tianhuan

Related Institution

Shixi Oilfield Operation Area, PetroChina Xinjiang Oilfield Company

Research Institute of Exploration and Development, PetroChina Xinjiang Oilfield Company

Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences

PetroChina Changqing Oilfield Company

PetroChina Southwest Oil & Gasfield Company

AI问答

⁰