ISSN 0130-3872

Scientific-technical journal

CONSTRUCTION

OF OIL AND GAS WELLS ON LAND AND SEA

                                                                                              published since 1993

March 2019                                       ¹ 3                             12 issues per year

 

CONTENÒS

 

DRILLING TECHNIQUE AND TECHNOLOGY

 

Tskhadaya N.D., Perminov B.A., Yagubov Z.Kh., Zaikin S.F. The main characteristics of the two-input control systems of drilling parameters (p. 5‑13)

 

Prokhorenko V.V., Potapov A.V., Lalayants B.R. The study of deviation of a bottom hole assembly with a screw bottom hole engine for directional wells drilling (p. 14‑17)

 

Khuzin R.R., Andreev V.E., Khuzina L.B., Mukhametshin V.Sh., D.N. Nourgaliev, V.A. Sudakov The use of plugging properties of polymer-disperse systems and clay suspensions for treatment of water- and oil-bearing layers (p. 18‑24)

 

Dobik Yu.A. The effect of the casing string rotation on drill cuttings transportation in a horizontal well (p. 25‑29)

 

DRILLING MUD

 

Gaydarov A.M., Norov A.D., Khubbatov A.A., Khrabrov D.V., Gaydarov M.M.-R., Ivanov A.I., Kasymov K.B., Popovichev R.A., Solnyshkin G.D., Petrosyan F.R. Experience of use of polycationic chalky solution in Astrakhan gas-condensate field (p. 30‑34)

 

WELL COMPLETION

 

Bezrodny Yu.G. Ecological aspects of abandonment of offshore prospecting and exploratory wells in the Northern Caspian Sea (p. 35‑39)

 

Shut K.F., Khrabrov V.A. The efficiency of acrylamide monomers fluid-loss control agents in lightweight cement slurries (p. 40‑45)

 

EQUIPMENT AND TOOLS

 

Durkin S.M., Menshikova I.N., Terentev A.A., Kiyan P.I., Avdeev R.V. Improvement of the method of downhole pumping equipment selection for horizontal wells draining deposit of high-viscous oil (p. 46‑50)

 

Musinsky A.N., Peshcherenko S.N., Trifanov G.D., Perelman M.O. Optimization of vortex separators constructions (p. 51‑55)

 

Kunina P.S., Velichko E.I., Stepanov M.S., Muzykantova A.V. The problems that arise when analyzing the technical state of modern drives of compressor installations of main gas pipeline (p. 56‑58)

 

DRILLING OFFSHORE

 

Bykov I.Yu., Chuprov I.F., Oscorbin I.A. The regression model for the estimation of experimental date in the processing of oil emulsions in the circulation mode by a rotating electromagnetic field (p. 59‑63)

 

Kharchenko Yu.A., Gritsenko A.I., Sugunushev S.S. Electrical supply of underwater production complexes (p. 64‑69)

 

MEMORIAL DATES

 

Vladimir Nikolaevich Zharov (p. 7070)

 

 

Information on the articles

 

UDC 622.24          DOI: 10.30713/0130-3872-2019-3-5-13

 

THE MAIN CHARACTERISTICS OF THE TWO-INPUT CONTROL SYSTEMS
OF DRILLING PARAMETERS (p. 5)

 

Nikolai Denisovich Tskhadaya,

Boris Alekseevich Perminov,

Zafar Khanhusein ogly Yagubov,

Stanislav Fedorovich Zaikin

 

Ukhta State Technical University

13, Pervomaiskaya str., 169300, Ukhta, Republik of Komi, Russian Federation,

e-mail: boris perminoff2013@yandex.ru, zav_eatp@ugtu.net, astrostas2008@yandex.ru

 

While a well deepening, the drilling process is influenced by a number of random factors. This effect leads to dynamic increments of the given drilling parameters. In this regard, the tracking and measurement of these increments would provide an indication of the overall dynamics of the drill string work. However, at present, measuring instruments implementing these dynamic measurements either do not exist or their application is very limited. The authors propose to use two-input control systems of dynamic increments of drilling parameters for these purposes. The construction of two-input control systems, based on variation structures, is analyzed on the example of control systems of torque dynamic increment. It is shown that the variation structures included in the channel of the motor power measurement of the drill string drive and the channel of angular velocity measuring of the drive output shaft rotation have the property of differentiation, thus allowing to cut off the constant components from the measurement signal and to distinguish its dynamic increments. At the same time, the measurement result at the output of the division functional block is determined by the static value of the measured values increments. This is a unique characteristic of a two-input control systems that provides error reduction that can occur during measurement of parameters dynamic increments to minimum values due to exclusion of the static errors components, in-phase and bipolar errors. Two-input control systems have three setting parameters for each measurement channel, that provides a wide range change of operational modes.

The setting parameters help to change the dynamic properties of the system, the duration of the transition process, adjust the frequency range of the measured values, adjust the coordination with the object of measurement. At certain ratios of the setting parameters, it is possible to obtain a quasi-resonance mode, when the frequency distortion of the measurement channels is reduced to zero.

The studies of the two-input control system of torque dynamic increments resulted in making a conclusion that the proposed device is the most optimal one among the existing methods and tools for dynamic increments measurement.

 

Keywords: two-input control system; variation structure; metrological characteristics; dynamic properties; frequency characteristics; time and frequency distortions.

 

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UDC 622.243.92          DOI: 10.30713/0130-3872-2019-3-14-17

 

THE STUDY OF DEVIATION OF A BOTTOM HOLE ASSEMBLY WITH A SCREW BOTTOM HOLE
ENGINE FOR DIRECTIONAL WELLS DRILLING (p. 14)

 

V.V. Prokhorenko,

A.V. Potapov

 

LLC NPO "Krasnoyarskgazprom neftegazproekt"

e-mail: v.prokhorenko@krskgazprom-ngp.ru

 

B.R. Lalayants

 

JSC NPO "Drilling Equipment"

9, bid. 1, Letnikovskaya str., Moscow, 115114, Russian Federation

 

The paper studies the borehole assembly deviation (BHA) based on a screw downhole engine (SDHE) with two supporting-centering elements (centralizers) for drilling directional and horizontal wells as well as sidetracks. The recommendations are given regarding the magnitude of the skew angle of the curved sub mounted between the spindle and power sections of the SDHE, the most rational layout patterns of centralizers for efficient well trajectory are determined.

 

Keywords: well; sidetrack; bit; downhole screw engine (DSE); engine diverter; bottom hole assembly (BHA); supporting-centering elements (SCE); calibrator.

 

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UDC 622.2          DOI: 10.30713/0130-3872-2019-3-18-24

 

THE USE OF PLUGGING PROPERTIES OF POLYMER-DISPERSE SYSTEMS AND CLAY
SUSPENSIONS FOR TREATMENT OF WATER- AND OIL-BEARING LAYERS (p. 18)

 

Rinat Raisovich Khuzin

 

LLC "Karbon–Oil"

e-mail: karbon@tatais.ru

 

Vadim Evgenievich Andreev

 

Institute for Strategic Studies of the Republic of Bashkortostan

e-mail: intnm@ya.ru, intnm-gsd@yandex.ru

 

Liliya Bulatovna Khuzina

 

Almetyevsk State Oil Institute

e-mail: bngs_agni@mail.ru, lhyzina@yandex.ru

 

Vyacheslav Sharifulovich Mukhametshin

 

Oktyabrsky branch of Ufa State Oil Technical University

e-mail: vsh@of.ugntu.ru

 

D.N. Nourgaliev,

V.A. Sudakov

 

Kazan Federal University

e-mail: Danis.Nourgaliev@kpfu.ru, VLASudakov@kpfu.ru

 

The reason for the reduction of wells completion quality and prevention of subsequent complications is the active hydrodynamic connection of fluid-saturated formations, opened by drilling, with the wellbore.

The consequence of these factors is a decrease of potential productivity and premature water-flooding. One of the ways to solve these problems is to waterproof the entire block of permeable rocks after their opening.

The purpose of the proposed technology is the creation of clogging screens during drilling in the formation bottom hole zone. Some plugging compositions based on polydisperse systems for treating of water- and oil-bearing formations have been developed. The basis of the method is the clogging of the by heterogeneous compositions in order to preserve the productive formation characteristics and the formation well bottom zone of aquifers to prevent overflows during cement fixing and hardening.

Experimental studies have been conducted to determine the efficiency of the proposed approaches. The results of the studies are presented.

 

Keywords: plugging composition; polymer-disperse system; clay suspension; clogging screen; pseudoplastic properties; specific surface; static (constant) filtration; hydrodynamic (with pressure pulses) filtration.

 

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UDC 622.244.4          DOI: 10.30713/0130-3872-2019-3-25-29

 

THE EFFECT OF THE CASING STRING ROTATION ON DRILL CUTTINGS TRANSPORTATION
IN A HORIZONTAL WELL (p. 25)

 

Yury Alexandrovich Dobik

 

LLC "RN–Vancor"

15, 78th Dobrovolcheskoi brigady str., Krasnoyarsk , 660077,

e-mail: dobik83@gmail.com

 

A number of factors, including the drill string rotation, influence the choice of the drilling fluid flow rate that ensures the removal of the drill cuttings from the horizontal wellbore. However, there are no quantitative estimates of the drill-string rotation frequency impact on the wellbore cleaning in the literature. The paper presents an experimental assessment of the hydrodynamic impact of a rotating drill string on the drill cuttings behavior in a horizontal wellbore. It is shown that the drill cuttings hydrodynamic effect on the drill cuttings provides the creation of an auxiliary circumferential flow, which although does not transport drill cuttings to the top of well but can contribute to the cuttings’ removal from the wellbore lower stagnant zone to the main flow. The impact of this circumferential flow on the drill cuttings is presented in the form of a criterion dependence of the critical rotational frequency causing the circumferential displacement of the drill cuttings on the particle and liquid parameters. The dependence coefficients were determined experimentally on the installation, which is a cylinder of a diameter, placed with the possibility of rotation inside a horizontally located in 145 mm internal diameter cylinder with transparent end walls. The drill cuttings were modelled by particles of quartz sand and corundum of different size. It is found that the drill string rotation improves the drill cuttings transportation by the main flow, but the complete agitation of cuttings occurs only at technically unattainable rotation frequencies. It is established that the increase of the drilling fluid viscosity reduces the stirring effect of the drill string rotation.

 

Keywords: well drilling; horizontal well; drill cuttings transportation; cuttings agitation; washing fluid; drill string; drill string rotation frequency; experimental installation.

 

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UDC 622.24.06          DOI: 10.30713/0130-3872-2019-3-30-34

 

EXPERIENCE OF USE OF POLYCATIONIC CHALK SOLUTION IN ASTRAKHAN
GAS-CONDENSATE FIELD (p. 30)

 

A.M. Gaydarov, A.D. Norov, A.A. Khubbatov, D.V. Khrabrov, M.M.-R. Gaydarov,

 

LLC "Gazprom VNIIGAZ"

e-mail: A_Gaydarov@vniigaz.gazprom.ru

 

A.I. Ivanov

 

PJSC "Gazprom"

 

K.B. Kasymov, R.A. Popovichev

 

GPU "Astrakhan production"

 

G.D. Solnyshkin, F.R. Petrosyan

 

Astrakhan Drilling branch of JSC "Gazprom Burenie"

 

Lately, directional and horizontal wells are being drilled instead of vertical ones in Astrakhan gas condensate field. Drilling of directionnal and horizontal sections with intensive build-up rate impose more strict requirements to the filtration, structural-rheological and lubricating properties of the used drilling fluids. The low efficiency of use of traditional chalky drilling muds when drilling directional and horizontal wells in Astrakhan gas condensate field required development and introduction of polycationic systems chalky modifications. The use of chalky modification of “Catburr polycationic system at the Well No 4450 provided 93 % increase of mechanical speed, decrease of time spent on the arising complications and other technological problems.

 

Keywords: directional well profile; drilling fluid characteristics; polycationic chalky fluid; productive formation; hydrogen sulfide; effective viscosity.

 

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UDC 504:622.24.085.5          DOI: 10.30713/0130-3872-2019-3-35-39

 

ECOLOGICAL ASPECTS OF ABANDONMENT OF OFFSHORE PROSPECTING
AND EXPLORATORY WELLS IN THE NORTHERN CASPIAN SEA (p. 35)

 

Yury Georgievich Bezrodny

 

VolgogradNIPImorneft Branch of LLC "LUKOIL–Engineering"

96, Lenin prosp., Volgograd, 400078, Russian Federation,

e-mail: Ugintegra@mail.ru

 

Some specific features of abandonment of offshore prospecting and exploration wells are considered. The short duration life and insufficient efficiency of wells abandonment, the susceptibility of a protective cement plate to destruction under the influence of wave effects and underwater currents are shown. A method to be applied for increasing the industrial and environmental safety when eliminating offshore prospecting and exploratory wells by laying secondary material resources in the form of flat substandard reinforced concrete plates on top of a cement protective plate at the wellhead is proposed. The formed artificial reef is one of the ways to increase the biological productivity of marine ecosystems. Their creation contributes to the enrichment of flora and fauna, feeding of fish, including the juvenile of valuable commercial fish, obtained from artificial breeding and released into the sea, the creation of artificial spawning grounds as well as the intensification of the processes of the sea water natural purification by filtering organisms from pollution. In the artificial reefs’ formation zones, the development of microflora is noticeably enhanced, and most importantly, its oil-oxidizing components.

 

Keywords: offshore wells abandonment; requirements to wells abandonment; diving surveys; biotope; artificial reef; secondary material resources; increase of industrial and environmental safety.

 

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UDC 622.245.422          DOI: 10.30713/0130-3872-2019-3-40-45

 

THE EFFICIENCY OF ACRYLAMIDE MONOMERS FLUID-LOSS CONTROL AGENTS
IN LIGHTWEIGHT CEMENT SLURRIES (p. 40)

 

Konstantin Fedorovich Shut,

Vadim Alexandrovich Khrabrov

 

Russian State University of Oil and Gas (Research University) named after I.M. Gubkin

65/1, Leninsky prosp., Moscow, 119991, Russian Federation,

e-mail: cemlab@yandex.ru, k.v5@bk.ru

 

Various groups of water-soluble polymers are used to control the filtration rate of cement slurries. Based on the tests carried out, the paper considers the effect of various types of acrylamide fluid-loss control agents on the properties of lightweight cement slurries. It is shown how the composition of the fluid-loss control agents based on acrylamide monomers affects the physicochemical properties of the cement slurry.

 

Keywords: fluid-loss control agent; polyacrylamide; acrylamide monomer; lightweight cement slurries; well cementing; laboratory tests.

 

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UDC 622.276.55          DOI: 10.30713/0130-3872-2019-3-46-50

 

IMPROVEMENT OF THE METHOD OF DOWNHOLE PUMPING EQUIPMENT SELECTION
FOR HORIZONTAL WELLS DRAINING DEPOSIT OF HIGH-VISCOUS OIL (p. 46)

 

Sergey Michailovich Durkin,

Irina Nikolaevna Menshikova,

Alexey Alexeevich Terentev,

Pavel Igorevich Kiyan,

Ruslan Vladimirovich Avdeev

 

Ukhta State Technical University

13, Pervomaiskaya str., Ukhta, 169300, Republic of Komi, Russian Federation,

e-mail: durkin@bk.ru

 

The technologies of heavy oils and bitumen extraction, the geological reserves of which reach 6…7 billion tons in Russia, are a priority trend of the entire oil industry development in Russia, where the volume of light oil recovery from the deposits makes slightly more than half.

This paper by applying the method of numerical simulation shows the influence of various factors on the productivity of horizontal production wells. For the first time, an express method for selecting downhole pumping equipment based on multivariate modeling for the reservoir thicknesses from 6 to 40 m was developed, which allows selecting the required equipment for a minimum period of time.

 

Keywords: heavy oil and bitumen production; horizontal well; thermo-gravitational drainage of a formation; failure of downhole pumping equipment; ESP selection; "Autotechnologist" software; PIPESIM multiphase flow simulator; express-method of selection of downhole pumping equipment.

 

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UDC 532., 621.22-253          DOI: 10.30713/0130-3872-2019-3-51-55

 

OPTIMIZATION OF VORTEX SEPARATORS CONSTRUCTIONS (p. 51)

 

Artem Nikolaevich Musinsky

Sergey Nikolaevich Peshcherenko

Gennadiy Dmitrievich Trifanov

 

Perm National Research Polytechnical University

e-mail: amusinskiy@gmail.com, psn@novomet.ru, 2983723@gmail.com

 

Maxim Olegovich Perelman

 

JSC "Novomet-Perm"

e-mail: maxim@novomet.ru

 

At present, one of the methods of oil production enhancement is to increase the depression on the reservoir by reducing bottom hole pressure, usually to the values below the saturation pressure. That’s why, a gas-liquid mixture is formed in the borehole and gas separators are included into the ESP assembly.

However, when the flow rate increases, firstly, the time of the gas-liquid mixture presence in the field of the separator centrifugal forces decreases and the separation efficiency reduces as well. Secondly, the removal of rock particles increases, especially in wells after conducting of a formation hydraulic fracturing, which under the centrifugal forces action are accumulate near the walls of the gas separators body, thus causing their hydro-abrasive destruction.

A possible solution of the problem is the use of vortex gas separators, which use a shortened separation unit (screw), after which, downstream, is a vortex chamber, where the liquid by inertia continues rotation. Initially, vortex separators were developed to reduce the water-jet impact of rock particles on the body due to shorter screws use.

The aim of the paper is to solve the problem of optimization of vortex gas separators construction. The authors propose a dimensionless criterion X = LSn/βmaxQmax that determines the magnitude of gas separators separation coefficient K depending on the geometric dimensions of the vortex chamber (L, S), operating conditions: gas concentration (βin) and shaft rotation frequency (n). Three new constructions of vortex gas separators in 5, 5A and 6 dimensions were bench tested, the results of which showed that the dependence K(X) has a relatively narrow maximum at X0 ≈ 22, thus allowing to choose the optimal size of the vortex chamber (L, S) for the given operational conditions (βin, n).

 

Keywords: vortex gas separator; separation coefficient; optimization; dimensionless parameter.

 

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UDC 622.691.4.052          DOI: 10.30713/0130-3872-2019-3-56-58

 

THE PROBLEMS THAT ARISE WHEN ANALYZING THE TECHNICAL STATE OF MODERN DRIVES
OF COMPRESSOR INSTALLATIONS OF MAIN GAS PIPELINE (p. 56)

 

P.S. Kunina, E.I. Velichko, M.S. Stepanov, A.V. Muzykantova

 

Kuban State Technological University

2, Moskovskaya str., Krasnodar, 350072, Russian Federation,

e-mail: pelagea47@mail.ru

 

Technical diagnostics and non-destructive testing of modern power equipment of oil and gas industry are an integral part of its operation. Modern methods of diagnostics of pipeline equipment of gas compressors of compressor stations are quite diverse and not always reliable enough. The problems of modern methods application are considered as well as the possibility of developing new methods for determining the fault elements of turbo-drive equipment is proposed in the paper.

 

Keywords: diagnostics; pipeline equipment; compressor stations.

 

 

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UDC 622.276.8:621.3.082.78          DOI 10.30713/0130-3872-2919-3-59-63

 

THE REGRESSION MODEL FOR THE EXPERIMENTAL DATA ESTIMATION WHEN PROCESSING
OIL EMULSIONS IN THE CIRCULATION MODE BY A ROTATING ELECTROMAGNETIC FIELD (p. 56)

 

Igor Yurievich Bykov

Ilya Fedorovich Chuprov

Ilya Aleksandrovich Oskorbin

 

Ukhta State Technical University

13, Pervomaiskaya str., Ukhta, 169300, Republic of Komi, Russian Federation,

e-mail: ibykov@ugtu.net, chuprov.ilia@yandex.ru, ilya.oskorbin@gmail.com

 

Based on the experimental data obtained during oil emulsions processing in the mode of circulation by a rotating electromagnetic field (REF), the functional dependences allowing to determine the duration of the dehydration process to achieve the minimum water content at the set induction value are built. The linear correlation dependences between water content, duration of the process and induction value are built. The correctness of the obtained dependences is justified.

 

Keywords: water-oil emulsions; rotating electromagnetic field; efficiency of dehydration; mathematical models.

 

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UDC 553.068.22          DOI: 10.30713/0130-3872-2019-3-64-69

 

ELECTRICAL SUPPLY OF UNDERWATER PRODUCTION COMPLEXES (p. 64)

 

Yury Alexeevich Kharchenko,

Sudur Sergeevich Sugunushev

 

Russian State University of Oil and Gas (National Research University) named after I.M. Gubkin

65/1, Leninsky prosp., Moscow, 119991, Russian Federation,

e-mail: sudursugunushev@gmail.com

 

Alexander Ivanovich Gritsenko

 

LLC "Gazprom VNIIGAZ"

15/1, Proektiruemy proezd No 5537, 142717, Moscow region, Leninsky district, rural settlement Razvilkovskoe, Razvilka village, Russian Federation,

e-mail: doc.2004.8@yandex.ru

 

One of the problems during underwater development of offshore remote oil and gas fields is organization of a reliable power supply to the objects of the underwater production complex (UPC). Because of the big distance from the shore, when transmitting alternating current, there occur significant losses of electrical power in the power cable caused by the presence of the reactive component in it. The paper analyzes the above-mentioned problem on the example of the existing power supply systems of UMPC for oil and gas fields on the Norwegian shelf.

The projects of electrical power transfer through underwater cables for long distances using direct current are considered. To simplify the underwater power supply system when using direct current, it is proposed to use inventory motors instead of asynchronous ones in the power systems of the underwater production complexes in remote fields.

 

Keywords: underwater production complex; power supply; inventory motor; DC lines.

 

 

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VLADIMIR NIKOLAEVICH ZHAROV

(05.02.1941–27.01.2019)

 

 

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JSC "ALL-RUSSIAN SCIENTIFIC-RESEARCH INSTITUTE OF ORGANIZATION, MANAGEMENT AND ECONOMICS OF OIL AND GAS INDUSTRY"

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