Technical solution on the use of a drill string (DS) disconnector for extracting a stuck drill string from a well
UDC: 622.24
DOI: 10.33285/0130-3872-2022-7(355)-5-9
Authors:
KORABELNIKOV MIKHAIL I.
1,
BASTRIKOV SERGEI N.1,
AKSENOVA NATALYA A.1,
KUFTERIN NIKOLAI A.1,
SHED SERGEI N.1
1 Tyumen Industrial University, Nizhnevartovsk, Russia
Keywords: well, drill pipes, accidents, sticking, drilling tool, drill string disconnector
Annotation:
The article presents the results of the analysis of non-productive time when drilling wells, depending on the types of work, the presence of accidents and complications, the causes of the drill string sticking in the well. Information about the effectiveness of various methods applied for eliminating sticking is given. To solve the problem of extracting the drill string from the well, it is proposed to use a disconnectorin its assembly developed by the authors of the article, which allows unscrewing and releasing stuck pipes.
Bibliography:
1. Korabel'nikov M.T., Bastrikov S.N., Aksenova N.A. Tekhnicheskoe reshenie po snizheniyu zatrat na likvidatsiyu prikhvatov buril'noy kolonny v skvazhine // SOCAR Proceedings. – 2021. – Special Issue No. 2. – S. 47–51.
2. Instrument dlya likvidatsii avariy v skvazhinakh: katalog produktsii / OOO "BITTEKhNIKA". – 2018.
3. Pat. 2757481 Ros. Federatsiya, MPK E21B 17/06. Raz"edinitel' buril'noy kolonny / M.I. Korabel'nikov, N.A. Aksenova, S.N. Bastrikov, A.M. Korabel'nikov; patentoobladatel' FGBOU VO "Tyumenskiy industr. un-t". – № 2020133821; zayavl. 13.10.2020; opubl. 18.10.2021, Byul. № 29.
Back to issue