RESERVOIR FRACTURE ANALYSIS AND CORRELATION WITH RESERVOIR PRODUCTION DATA IN THE ASMARI RESERVOIR OF GACHSARAN OIL FIELD

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ALAVI SEYED AHMAD; SHABAN A.

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Journal: JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT) Year:2006 | Volume:32 | Issue:3 (SECTION GEOLOGY 2) Page(s): 145-161

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Title

RESERVOIR FRACTURE ANALYSIS AND CORRELATION WITH RESERVOIR PRODUCTION DATA IN THE ASMARI RESERVOIR OF GACHSARAN OIL FIELD

Author(s)

ALAVI SEYED AHMAD | SHABAN A. | Issue Writer Certificate

Keywords

RESERVOIRQ3

FRACTUREQ3

GACHSARANQ3

FMS LOGQ3

COREQ3

CURVATUREQ3

STRESSQ3

Abstract

The influence of FRACTUREs in the production rate in carbonate RESERVOIR of southern Iran has been established. The GACHSARAN oil field is located in the Dezful embayment in SW of Zagros basin of Iran.The outcrop in the area mainly consists of Miocene- Pliocene GACHSARAN formation evaporate and Aghajari classics. The main RESERVOIR in this field is Miocene Asmari formation. Only upper Asmari is developed in this area, lower and upper Asmari is replaced by Oligocene-Eocene Pabdeh marly formation. In this study so also itself is a methodology, a new combination method has been established. Therefore, based on all possible methods and available data, the state of FRACTUREs intensity, orientation, type, spacing and etc. have been considered. More important of these methods that were used include the following: 1. CORE analysis2. Open hole log analysis(such as FMS)3. Well drilling data analysis4. Structural analysis: FRACTURE prediction base on STRESS and strain analysis5. CURVATURE analysis for a better geostatistical study, the GACHSARAN anticline was divided in to thirteen different domains or blocks. Also some prediction and RESERVOIR engineering data such as PI, RFT, BUT, maximum rate of production and permeability (K) parameters were studied and mapped. Later these maps correlated with other FRACTURE analysis results. The correlations showed satisfactory results. Both flexural-slip and neutral surface folding mechanisms were active for this area. Regarding the prevailing mechanism of flexural-slip resulting in actives hear FRACTUREs in the present STRESS system, and the existence of gas-cap, the best areas of drilling for higher production are the flanks with thrust fault traces. The CURVATURE analysis method, both in axial and cross sectional dimensions, together with STRESS-strain analysis are the best economical and powerful methods for exploration and development of oil fields. Also, the best geographical direction for drilling in some domains, based on FRACTURE properties has been estimated.

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APA: Copy

ALAVI, SEYED AHMAD, & SHABAN, A.. (2006). RESERVOIR FRACTURE ANALYSIS AND CORRELATION WITH RESERVOIR PRODUCTION DATA IN THE ASMARI RESERVOIR OF GACHSARAN OIL FIELD. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), 32(3 (SECTION GEOLOGY 2)), 145-161. SID. https://sid.ir/paper/2300/en

Vancouver: Copy

ALAVI SEYED AHMAD, SHABAN A.. RESERVOIR FRACTURE ANALYSIS AND CORRELATION WITH RESERVOIR PRODUCTION DATA IN THE ASMARI RESERVOIR OF GACHSARAN OIL FIELD. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)[Internet]. 2006;32(3 (SECTION GEOLOGY 2)):145-161. Available from: https://sid.ir/paper/2300/en

IEEE: Copy

SEYED AHMAD ALAVI, and A. SHABAN, “RESERVOIR FRACTURE ANALYSIS AND CORRELATION WITH RESERVOIR PRODUCTION DATA IN THE ASMARI RESERVOIR OF GACHSARAN OIL FIELD,” JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), vol. 32, no. 3 (SECTION GEOLOGY 2), pp. 145–161, 2006, [Online]. Available: https://sid.ir/paper/2300/en

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