Title 5	Date
	05.875 Petroleum Development Harweel Cluster OmanOutstanding Well Performance (Case History) Due to deep coring, long trip times and operational constraints, coring in the deep carbonate stringer wells of the Harweel Cluster can take more than three weeks. The challenge was to lengthen the core barrel and reduce the number of trips required to	Sep 2004
	1062 Horizontal System with OMNI Valve Turns Low-Temperature Miocene Gas Sand Well Into Prolific (Case History) Completion interval formation damage and screen plugging from drilling solids and polymer residue had caused productivity losses and sand control screen failures in openhole completions at an Island in the Gulf of Mexico. To turn these shallow Miocen	May 2003
	3-Slurry Annular Re-cementing Job Brought Cement to Surface and Helped Operator Stop Salt Water Intrusion In January 2003, the customer drilled a well with 9-5/8" surface casing set at 1,700 ft and 7" production casing set to total depth. Cement on the 7" casing was brought to 5,000 ft. In the 18 months following this, two salt water disposal wells injecting i	Jun 2006
	7" Foam Wiper Ball Successfully Pumped through Drill Bit The operator wanted to wipe the drill pipe clean after performing a shoe squeeze through 5-1/2" drill pipe with an 8-1/2" bit with three 20/64 nozzles installed. The squeeze was done at 9,200 ft TVD/MD with a bottomhole circulating temperature (BHCT) of 16	Feb 2006
	9 BCF Field Development Opportunity Identified by Sigma Process using ANN Technology Prize Operating Company purchased a Granite Wash field in Roberts County, TX, and planned for infield gas development. Unfortunately, the first four well completions resulted in less than satisfactory production. The operator, faced with cancellation of fu	May 2003
	A High Value, Low Cost SmartWell Completion for West Africa Field With operators under increasing pressure to maximize the extraction of marginal reserves, traditional methods of zonal isolation and sand control are offering inadequate levels of durability and flexibility.	Sep 2008
	A Real-Time, Collaborative Environment to “Model, Measure and Optimize" Saves Petroamazonas Time and Doubles Production (Ecuador) Petroamazonas wanted to position a well in the cleanest, most permeable portion of the reservoir and maximize reservoir contact by remaining in the “sweet spot” of the targeted sands.	Oct 2009
	ACCOLADE System Handles 850-bbl Saltwater Flow in GOM Shelf Well Production Interval While drilling the 8-1/2" production interval at 15,197-ft (MD), the operator encountered a persistent saltwater flow that threatened to destabilize the ACCOLADE synthetic drilling fluid and cause a stuck pipe incident.	Apr 2008
	ACCOLADE/ENCORE/LE-SUPERMUL - 16.0 ppg ACCOLADE® Clay-Free Fluid The operator wanted to re-enter an existing deepwater Gulf of Mexico (GOM) well, drill four cement plugs and two cement retainers / bridge plugs, set a cement kickoff plug and drill a sidetrack.	Apr 2008
	ACCOLADE/TAU-MOD™ Viscosifier Enhanced Rheology Beginning on July 30, 2005, a large independent operator was preparing to sidetrack a well in 8,236 ft of water by cutting and pulling a portion of a 9 5/8” liner.	Apr 2008

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