1
Le, Roy Delage Sylvaine, Martin Beurel Muriel, Keith Dismuke, Nelson Erik: Self adaptive cement systems. Services Petroliers Schlumberger, Schlumberger Technology, Schlumberger Holding, Schlumberger Canada, Sofitech, Le, Roy Delage Sylvaine, Martin Beurel Muriel, Keith Dismuke, Nelson Erik, MENES Chatherine, November 25, 2004: WO/2004/101952 (92 worldwide citation)

A self-healing cement system includes cement, water and at least one additive that swells in contact with water from reservoir or from formation in the case of a structural failure in the set cement to provide a physical barrier in the zone of failure. Examples of such material include particles of ...


2
Le, Roy Delage Sylvaine, Guillot Dominique, Dismuke Keith, Nelson Erik: Self adaptive cement systems. Services Petroliers Schlumberger, Schlumberger Technology, Schlumberger Holdings, Schlumberger Canada, Sofitech, Le, Roy Delage Sylvaine, Guillot Dominique, Dismuke Keith, Nelson Erik, MENES Catherine, November 25, 2004: WO/2004/101951 (89 worldwide citation)

A self-adaptive cement system includes cement, water and at least one additive that reacts or and expands in contact with oil and gas. Several chemical products have been identified including rubber alkylstyrene, polynorbornene, resins such precrosslinked substituted vinyl acrylate copolymers and di ...


3
Brown Ernest J, Card Roger John, Nelson Erik Bentley: Methods of fracturing subterranean formations. Sofitech, Schlumberger Cie Dowell, April 15, 1998: EP0835983-A2 (45 worldwide citation)

The improved recovery of hydrocarbons from subterranean formations by hydraulically fracturing a subterranean formation is accomplished. Fracturing fluids using a viscoelastic surfactant fluid containing wormlike micelles are useful to improve recovery of hydrocarbons and limit the loss of fracturin ...


4
Vidick Benoît, Abbas Raafat, Munk Trevor, Keese Roger, Nelson Erik: Well-treating method to prevent or cure lost-circulation. Services Petroliers Schlumberger, Schlumberger Technology, Schlumberger Holdings, Schlumberger Canada, Sofitech, Vidick Benoît, Abbas Raafat, Munk Trevor, Keese Roger, Nelson Erik, MENES Catherine, November 25, 2004: WO/2004/101704 (19 worldwide citation)

A method of preventing or treating lost circulation during the drilling of a well comprises the addition, at concentration ranging between about 0.5 and 6 pounds per barrel, of water-dispersible fibers having a length between about 10 and 25 mm, for instance glass or polymer fibers, to a pumped aque ...


5
Lee Jesse, Nelson Erik: Method for treating subterranean formation. Schlumberger Canada, Services Petroliers Schlumberger, Schlumberger Holdings, Schlumberger Technology, Sofitech, MENES Catherine, December 31, 2003: WO/2004/001188 (16 worldwide citation)

It has been found that a large variety of solid chemicals available in a bulk powder form could be added to subterranean treatment fluids with delayed release when said chemicals are delivered as capsules consisting of encapsulated granulates obtained by aggregating the bulk powder under pressure to ...


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Brown J Ernest, Card Roger J, Nelson Erik B: Methodes de fracturation de formations souterraines, Methods of fracturing subterranean formations. Schlumberger Canada, Schlumberger Canada, SMART & BIGGAR, May 29, 2001: CA2217659 (12 worldwide citation)

The improved recovery of hydrocarbons fromsubterranean formations by hydraulically fracturing asubterranean formation is accomplished. Fracturingfluids using a viscoelastic surfactant fluid containingwormlike micelles are useful to improve recovery ofhydrocarbons and limit the loss of fracturing flu ...


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Nelson Erik, Brown Ernest, Zusatz Ayache Benedicte: Adaptive cementitious composites for well completions. Services Petroliers Schlumberger, Schlumberger Technology, Schlumberger Holdings, Schlumberger Canada, Schlumberger Overseas, Schlumberger Oilfield Assistance, Schlumberger Surenco, Schlumberger Services, Schlumberger Seaco, Prad Research And Development, Nelson Erik, Brown Ernest, Zusatz Ayache Benedicte, ETUDES 1 rue Henri Becquerel BP 202 92142 Clamart Cedex, November 24, 2005: WO/2005/110942 (11 worldwide citation)

An adaptive cementitious composite composition, comprising: a coarse particulate material such as sand or proppant; a series of other particulate or fibrous materials; and a carrier fluid; the sand and other particulate materials being present as a series of coarse, medium and fine particle sizes in ...


8
Nelson Erik Bentley: Well treating composition. Dow Chemical, October 23, 1985: GB2157279-A (9 worldwide citation)

A subterranean zone is treated by emplacing therein a composition of a hardenable aqueous slurry where the slurry comprises water, a hydraulic cement and as a set retarding agent, an amino-N-((alkylidine) phosphonic acid)-bearing compound or salt thereof.


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Card Roger John, Nimerick Kenneth H, Nelson Erik Bentley, Maberra Jack L, Mcconnell Bruce S: On-the-fly control of delayed borate-crosslinking of fracturing fluids. Sofitech, Schlumberger Cie Dowell, November 5, 1997: EP0805260-A2 (6 worldwide citation)

A method is provided for controlling the delay time of aqueous borate-crosslinked polysaccharide-based fluids for hydraulic fracturing and related applications which allows on-the-fly control of the delay time without comprising overall fluid integrity. Without having to modify the total boron conte ...


10
Willberg Dean M, Nelson Erik, Frenier Wayne: Proppants useful for prevention of scale deposition. Schlumberger Canada, Services Petroliers Schlumberger, Schlumberger Holdings, Schlumberger Technology, Willberg Dean M, Nelson Erik, Frenier Wayne, CATE David, December 7, 2006: WO/2006/129258 (6 worldwide citation)

Proppants for treating subterranean which are scale resistant as well as fluids containing and methods of using such proppants. The proppant materials are less susceptible to fouling by residual materials in the fracturing or gravel pack fluid and hence may have improved clean-up compared with conve ...