Clarification of the geological structure features and water saturation assessment of the inter-well space using wells interference testing
UDC: 553.982.2+550.832+622.276.5.001.5
DOI: 10.33285/2413-5011-2023-6(378)-12-17
Authors:
MINGARAEV RAMIL A.1,
NIKONOROVA ANASTASIA N.2,
SOLOVEVA VICTORIA V.2,
LAZUTKINA NATALIA E.
2
1 Kazan (Volga Region) Federal University, Kazan, Russia
2 National University of Oil and Gas "Gubkin University", Moscow, Russia
Keywords: pulse-code interference testing, geological structure of the object, reservoir characteristics, saturation in the inter-well space
Annotation:
At present, most of the fields in our country are at a late stage of development, where the problem of additional studying the geological structure of operated objects with the aim of their additional exploration and selection of various geological-technical measures in order to rationalize the current development system is particularly acute.
The purpose of this work is scanning the inter-well space to study the features of the object geological structure, to identify areas with different reservoir characteristics and to evaluate the prospects for infill drilling.
The research methods are pulse-code interference testing (PCIT), which includes a group of wells, one of which is disturbing (generator well), in which a cyclic operation mode (starts and stops) occurs to create a pressure wave disturbance, as well as wells-receivers (receivers) in which the "response" from the cyclic operation of the disturbing well is recorded. The study is carried out using highly sensitive instruments capable of registering a pressure signal with the amplitude of 10 Pa or more.
Based on the results of the interference test (PCIT), some measures were recommended to reduce the water cut in the products, and the current reservoir saturation in the studied area was evaluated.
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