Treatment of formation damage created during completion of shale gas wells by hydraulic fracturing fluids

• Autorzy: Bailey, S. , Conway, B.
• Konferencja: Geopetrol 2016 : Współpraca nauki i przemysłu w rozwoju poszukiwań i eksploatacji złóż węglowodorów : X Międzynarodowa Konferencja Naukowo-Techniczna : Zakopane 19--22.09.2016
• Języki publikacji: EN

Abstrakty

EN

Productivity of wells completed in shale reservoirs can be strongly impacted by interactions between the reservoir formations and introduced fluid systems. Formation damage caused by these interactions is difficult to assess in tight formations and is often overlooked due to ambiguous well test results. There is increasing evidence that some shale gas wells are damaged during well completion by additives in the fluid systems that form insoluble material capable of severely blocking flow. The blockages form early in production and before flowback in severe cases. Treatment methods to chemically solubilize the damaging material have shown marked success restoring conductivity in damaged fractures and near-perf zones. Post-treatment gas production in some wells exceeds initial production rates, indicating that the damage can form early, before initial production begins, and restrict production in fractured wells. Methods of identifying and diagnosing the damage are presented.

Słowa kluczowe

PL

gaz łupkowy; ciecze hydrauliczne; formacje złożowe

EN

shale gas; hydraulic liquids; reservoir formation

• Czasopismo: Prace Naukowe Instytutu Nafty i Gazu
• Rocznik: 2016
• Tom: nr 209 wyd. konferencyjne
• Strony: 759--762
• Opis fizyczny: Bibliogr. 5 poz., wykr., zdj.

Twórcy

autor

Bailey, S.

• Flex-Chem Corp., USA

autor

Conway, B.

• Flex-Chem Corp., USA

Bibliografia

• [1] Civan F. – Analyses of Processes, Mechanisms, and Preventative Measures of Shale-Gas Reservoir Fluid, Completion, and Formation Damage. Pres. at the SPE International Symposium and Exhibition on Formation Damage Control, Lafayette, Louisiana, 26 – 28 February 2014, SPE Paper 168164.
• [2] Grieser B., Talley C. – Post-Frac Production Analysis of Horizontal Completions in CANA Woodford Shale. Pres. at the SPE/EAGE European Unconventional Resources Conference and Exhibition, Vienna, Austria 20 – 22 March 2012, SPE Paper 151222.
• [3] Gupta N., Rai C.S., Sondergeld C.H. – Integrated Petrophysical Characterization of the Woodford Shale in Oklahoma. Proc. of the SPWLA 53rd Annual Logging Symposium, Cartagena, Colombia 16 – 20 June 2012.
• [4] Nobakht M., Mattar L. – Analyzing Production Data From Unconventional Gas Reservoirs with Linear Flow and Apparent Skin. J. Can. Petrol. Technol. 2012, vol. 51, pp. 52 – 59.
• [5] Ugueto G.A., Huckabee P.T., Molenaar M.M., Wyker B., Somanchi K. – Perforation Cluster Efficiency of Cemented Plug and Perf Limited Entry Completions; Insights from Fiber Optics Diagnostics. Pres. at the SPE Hydraulic Fracturing Technology Conference, The Woodlands, Texas 9 – 11 February 2016, SPE Paper 179124.

Uwagi

Artykuł w części: Warsztaty IV. Nowoczesne technologie stymulacji wydobycia