We invite you to SPE young professionals meeting on "Injection wells completion under thermal gas treatment" Yakunin Sergey, Ritek.
SPE Young Professionals meeting, December 22 , 2016
The presentation will be delivered in Russian
Meeting will take place on December 22 ,Thursday, at 1900 hours at Sushchevskiy val, 2, Moscow.
Preliminary registration is required!
Please reserve a place and send your full name (including middle name), company and job title to This email address is being protected from spambots. You need JavaScript enabled to view it. not later than 1200 on December 20. You will have a confirmation after you’re registered.
Looking forward to seeing you!
More details about the topic
The reserves of unconventional high-viscosity hydrocarbons at the Middle Nazym Field are developed by AO RITEK using the in-situ combustion technology. Construction of a pattern of injection and production wells is provided for the development of such type of field. At the same time, air and water with active agents are injected under pressure into the pay-out bed of the injection well. Due to the pressure and oxidation processes in the pay-out bed, temperature increases up to 650 оC, and as a result its combustion occurs. Thus, the high thermal load and injection pressure impact the well bottom-hole design. Such nature of formation stimulation resulting in high temperature differences causes creeping and thermal fatigue of the casing string metal. In selection of a production string design thermal loads rather than collapsing pressures and axial loads from the string weight prevail. To resolve this problem at the design phase, the field conditions of high temperature exposure were assumed in addition to the standard approaches of the well program design based on the mining and geological conditions. Conventional procedures for selection of a casing string are not applicable, therefore AO RITEK have conducted a number of experiments using the finite-element method with the Abaqus software system where the anticipated well conditions were modelled. In order to study the thermal flux spreading process and compressive loads on the cement, several models were calculated: without and with perforations. Based on the calculation, casing strings resistant to thermal loads under the thermal gas treatment were selected.
About authors
Yakunin Sergey in 2008 he graduated from the Gubkin University, specialty "Drilling oil and gas wells". 2013-present enrolled in graduate school on a specialty "Technology of drilling and development wells" in the Gubkin University. Theme of dissertation research is: "Development of techniques and technologies of construction of wells with thermo-gas effects in relation to the sediments of the Bazhenov formation". "RITEK" is the position of the 1st category specialist of production and technical Department of drilling Control drilling in Moscow. Is a specialist in the design, drilling and development wells. The winner of the youth award named after academician I. M. Gubkin. Author of 5 scientific and technical publications, 28 abstracts and 1 patent of the Russian Federation for the invention.