|
Nikulin V.Yu.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Mukminov R.R.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Nigmatullin T.E.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Mukhametov F.H.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Khaziev L.B.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Subkhangulov A.R.
|
|
“RN-BashNIPIneft” LLC Ufa |
|
Zakharzhevsky Yu.A.
|
|
“ROSPAN INTERNATIONAL” JSC Novy Urengoy |
|
Savchuk D.V.
|
|
“ROSPAN INTERNATIONAL” JSC Novy Urengoy |
|
Kurmanchuk N.S.
|
|
“ROSPAN INTERNATIONAL” JSC Novy Urengoy |
DOI: 10.24412/2076-6785-2023-4-16-21
Abstract
The article considers peculiarities and complications of killing gas wells in Achimov reservoirs (Ach3-4 and Ach5 2-3 formations of Novo-Urengoi and Vostochno-Urengoi license areas) using blocking compositions. The research has shown that suspension blocking compositions thickened with xanthan and starch are applicable for blocking of the bottom-hole zone in the presence of hydraulic fractures and withstand repression of no less than 14 MPa. The prospects of continuing research of blocking compositions thickened with surface active substances have been confirmed.
Materials and methods
Rationale for a new technology for killing with bottomhole zone blocking based on international experience and analysis of geological and technical conditions of the Novo-Urengoyskiy and Vostochno-Urengoyskiy license areas. Physical-chemical and filtration studies of high-density blocking compositions in the conditions of the object in question.
Keywords
Urengoyskoe field, well killing, gas wells, abnormally high reservoir pressure, high temperature, fluid loss, blocking compounds, suspensions, modification
