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Takhautdinov Sh.F.,Tatneff OAO | Ibatullin R.R.,TatNlPineft | Abdrakhmanov G.S.,TatNlPineft | Khamitjanov N.Kh.,TatNlPineft | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

Expandable casings strings applied by Tatneft on a commercial scale allowed complete exclusion of intermediate casing strings from the well designs In the Volga-Ural oil-producing region. Underway is research and pilot tests of expandable systems to isolate trouble zones as thick as 500-1000 m. For expanding of casing strings mechanical and hydraulic expansion mandrels are used, along with hydraulic jack, anchor, and by-pass valves.


Khisamov R.S.,Tatneft | Zaripov A.T.,TatNlPIneft | Zaripova L.R.,TatNlPIneft
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

Results of steam assisted gravity drainage pilot project in the Ashalchinskoye heavy-oil field are described. Production parameters of horizontal wells differing In geologic setting have been analyzed. It has been shown that the technology Is effective for different fluid saturation conditions and may also prove effective In complicated conditions when bottom water is tapped.


Sudykin S.N.,TatNlPineft | Sakhabutdinov R.Z.,TatNlPineft | Gubajdulin F.R.,TatNlPineft | Ismagilov I.Kh.,TatNlPineft | Sudykin A.N.,TatNlPineft
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

It is presented Tatneft OAO concept for gathering, treatment and transportation of Cheremshano-Bastrykskaya extra- heavy oil. This concept enables applying integrated approach to heavy-oilfield infrastructure development considering physical and chemical properties of oil, production conditions, field location, and available surface facilities.


Kudryashova L.V.,TatNlPineft | Sakhabutdinov R.Z.,TatNlPineft | Buslaev E.S.,TatNlPineft | Antonov O.Yu.,TatNlPineft | Nigmatullina A.I.,TatNlPineft
Neftyanoe Khozyaistvo - Oil Industry | Year: 2010

Tatneft OAO has Introduced an effective waste water quality monitoring system based on a wide range of different parameters. In most of the Company's water treatment plants monitoring of principal parameters, such as concentration of solids and oxygen. Is carried out on a real-time basis. INs allows Immediate corrective actions to provide the required quality of water injected for pressure maintenance.

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