高压气体渗流对裸眼井筒塑性区半径的影响分析

doi:10.13722/j.cnki.jrme.2014.1136

Abstract
Figure/Table
References (19)
Related Citation (15)

Download: PDF (1929 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract The purpose of this paper is to predict the radius of plastic zone for a high pressure gas well during well testing. Firstly，the plastic radius equation is given for idealized elastoplastic model considering of varying pressure. Secondly，it drew a comparison between the pressure distributions for the two kinds of flow models，and pointed out that the flow model including the gas acceleration term has a more steepening pressure curve near the wellbore. Then，it analyzed the radius of the plastic zone for the two kinds of flow models，and pointed out that the flow model including the gas acceleration term has a larger radius of plastic zone for the same factors. Finally，influencing factors such as bottomhole pressure，permeability，borehole diameter，gas acceleration，property of rock and in-situ stress on the radius of the plastic zone were analyzed，and summarized the influencing rules.

Key words： rock mechanics compressible gas acceleration effect radial steady seepage plastic zone radius

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	JIANG Hailong1
	CHEN Mian1
	JIN Yan1
	ZHOU Yu2
	LU Yunhu1

Cite this article:

JIANG Hailong1,CHEN Mian1,JIN Yan1, et al. ANALYSIS OF PLASTIC ZONE RADIUS FOR OPEN HOLE WELLBORE WHEN A HIGH PRESSURE GAS FLOWS INTO A WELL[J]. , 2015, 34(S2): 4286-4294.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2014.1136 OR https://rockmech.whrsm.ac.cn/EN/Y2015/V34/IS2/4286

[1] BELLARBY J. Well completion design[M]. [S.l.]：Elsevier，2009：1–9.

[2] JACOB B. Dynamics of fluids in porous media[M]. [S.l.]：Elsevier，1972：3–7.

[3] NIELD D A，BEJIAN A. Convection in porous media[M]. [S.l.]：Springer，2006：8–10.

[4] NIELD D A. Modeling high speed flow of a compressible fluid in a saturated porous medium[J]. Transport in Porous Media，1994，14(1)：85–88.

[5] JIN Y，CHEN K P，CHEN M，et al. Gas expansion-induced acceleration effect in high-pressure gas flows near a wellbore[J]. Journal of Porous Media，2012，15(4)：317–328.

[6] JIN Y，CHEN K P，CHEN M. Highly compressible porous media flow near a wellbore：effect of gas acceleration[J]. Journal of Fluids Engineering，2012，134(1)：011301.

[7] JIN Y，CHEN K P，CHEN M. Development of tensile stress near a wellbore in radial porous media flows of a high pressure gas[J]. International Journal of Rock Mechanics and Mining Sciences，2011，48(8)：1 313–1 319.

[8] JIN Y，CHEN K P，CHEN M，et al. Short-time pressure response during the start-up of a constant-rate production of a high pressure gas well[J]. Physics of Fluids，2011，23(4)：043101.

[9] GREEN JR L，DUWEZ P. Fluid flow through porous metals[J]. Journal of Applied Mechanics，1951，18(1)：39–45.

[10] KODRENS C A. Flow parameter approach to modeling the flow of heated gases through high resistance porous media[J]. Transport in Porous Media，1994，15(3)：229–249.

[11] MEYER B A，SMITH D W. Flow through porous media：comparison of consolidated and unconsolidated meterials[J]. Industrial and Engineering Chemistry Fundamentals，1985，24(3)：360–368.

[12] RISNES R，BRATLI R K，HORSRUD P. Sand stresses around a wellbore[J]. Society of Petroleum Engineers Journal，1982，22(6)：883–898.

[13] WU B，TAN C P. Sand production prediction of gas field - methodology and field application[R]. SPE 78234，2002.

[14] WANG Z H，PEDEN J M，DAMASENA E S H，et al. The prediction of operating conditions to constrain sand production from a gas well[R]. SPE 21681，1991.

[15] 王媛，徐志英，速宝玉. 复杂裂隙岩体渗流与应力弹塑性全耦合分析[J]. 岩石力学与工程学报，2000，19(2)：177–181.(WANG Yuan，XU Zhiying，SU Baoyu. Complete coupled analysis of fluid flow and elastoplastic stress in complicated fractured rock masses[J]. Chinese Journal of Rock Mechanics and Engineering，2000，19(2)：177–181.(in Chinese))

[16] 彭书萍，孟召平，王虎，等. 不同围压下砂岩孔渗规律试验研究[J]. 岩石力学与工程学报，2003，22(5)：742–746.(PENG Suping，MENG Zhaoping，WANG Hu，et al. Testing study on pore ratio and permeability of sandstone under different confining pressures[J]. Chinese Journal of Rock Mechanics and Engineering，2003，22(5)：742–746.(in Chinese))

[17] 朱以文，黄克戬，李伟. 地应力对地下洞室开挖的塑性区影响研究[J]. 岩石力学与工程学报，2004，23(8)：1 344–1 348.(ZHU Yiwen，HUANG Kejian，LI Wei. Study on effect of in-situ stresses on plastic region induced by excavations of underground openings[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(8)： 1 344–1 348.(in Chinese))

[18] 王芝银，段品佳，张华宾. 煤层气开采初期井底压力的合理控制范围研究[J]. 岩石力学与工程学报，2011，30(2)：3 407–3 412. (WANG Zhiyin，DUAN Pinjia，ZHANG Huabin. Study of reasonable controlling range of bottom-hole pressure in initial stage for coal bed methane production[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(2)：3 407–3 412.(in Chinese))

[19] REISS L H. The reservoir engineering aspects of fractured formations[M]. [S.l.]：Technip，1980：1–55.