Browsing by Subject "horizontal drilling"

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Access status: Restricted ,
Gaz łupkowy. Technologia wydobycia. Odwierty poziome i szczelinowanie hydrauliczne. Wpływ na środowisko
(Data obrony: 2017-01-19) Kowal, Katarzyna
Wydział Geologii, Geofizyki i Ochrony Środowiska
Gaz łupkowy jest jednym z typów złóż niekonwencjonalnych gazu ziemnego. Jego eksploatacja rozpoczęła się od XIX wieku. Główne złoża usytuowane są w Stanach Zjednoczonych i Kanadzie. Ważnymi badaniami w celu rozpoznania złoża są badania sejsmiczne i geochemiczne. Podstawowym parametrem skał jest zawartość węgla organicznego oraz refleksyjność witrynitu. Gaz wydobywa się za pomocą szczelinowania hydraulicznego i odwiertów poziomych. Eksploatacja gazu z łupków niesie ze sobą konsekwencje środowiskowe.
Access status: Open Access ,
Nowoczesne technologie zbrojenia odwiertów poziomych na potrzeby magazynów gazu oraz doświadczenia z ich próbnej eksploatacji na przykładzie PMG Strachocina
(2010) Leosz, Antoni; Pojnar, Marcin; Ziobro, Robert
Project of increasing working capacity of UGS Strachocina demanded drilling and completing of eight horizontal wells in order to provide required production and injection rates. The paper discusses problems encountered and experience gained during execution of four wells SH-5, 6, 7, 8 being part of Production Centre no. 2. The wells were completed with unique - in UGS environment - technology of expandable sand screens. In addition results of test production from those wells in winter season 2009/2010 are presented.
Access status: Open Access ,
Production logging test in horizontal wells
(2011) Kabdulov, Serik Zejnullič; Jiyembayeva, Kalamkas; Kalev, B; Manhanova, Azhar Erlanovna
Horizontal drilling technology has significantly influenced the industry's approach to the development and recovery of hydrocarbons. Advances in drilling technology have led to improved well productivity, increased drainage areas, especially in low permeability reservoirs. These day companies adopted an approach that has assigned a high priority to monitoring horizontal wells in order to maximize benefits. The testing and logging programs are aimed to assess the flow profile of the horizontal wells, optimize well production rates and plan future production and workover strategies. For this reason development of new methods and technologies has become crucial. This paper covers peculiarities of production logging test techniques used in horizontal wells. This includes technological as well as technical innovations based on deeper understanding of the phenomena through detailed research of this area.
Access status: Open Access ,
Projektowanie trajektorii horyzontalnego przewiertu sterowanego
(2007) Wiśniowski, Rafał; Stryczek, Stanisław
Each year the number of new pipeline systems made for engineering and environmental purposes increases. Apart from classic construction methods (open linear trenches) there are more and more frequently applied trenchless technologies, e.g. push-through methods, microtunneling and various near-wellbore methods. Horizontal directional well drilling methods are frequently applied. The efficiency of this use of this technology is conditioned by the correctly designed and performed trajectory of the well's axis. The trajectory of a HDD well is a derivative of such factors as: geologic and hydrogeologic conditions, morphology, existing surface and underground infrastructure, as well as technical and technological feasibility. Basing on the assumed design data, a decision can be made as to the type of spatial trajectory of a HDD well. The paper presents principles of determining spatial coefficients of HDD well's trajectories for 2D and 3D spaces, worked out at the Faculty of Drilling, Oil and Gas, AGH-UST. Accordingly, profiles of drilling wells used in the engineering practice as well as mathematical bases for multivariant determining parameters characterizing rectilinear and curvilinear trajectories, were presented. The proposed methods are recommended to be used for engineering applications.