Archive | Innovating While Drilling
Monobore wellbore design: Bangladesh exploration program highlights pros, cons
Posted on 03 November 2009 in 2009, Innovating While Drilling, July/August
“Monobore” describes A well where the diameter of the production conduit is uniform from the reservoir to surface. The simplest form of monobore is a string…
D&C Tech Digest
Posted on 02 November 2009 in 2009, Departments, Innovating While Drilling, September/October, The Efficient Rig
Weatherford International and ENI have entered an agreement to develop a subsea drilling-with-casing system. It will enable a 20-in. casing string…
Accurate wellbore trajectory delivers 70% more reservoir contact with Gullfaks sidetrack well
Posted on 02 November 2009 in 2009, Innovating While Drilling, September/October
The Gullfaks field is located in the central part of the East Shetland Basin in the Northern North Sea and was discovered in 1979. The StatoilHydro-operated field…
Innovations in acquisition geometries, telemetry improve complex imaging, seismic logging
Posted on 02 November 2009 in 2009, Innovating While Drilling, September/October
WesternGeco has developed a new single-vessel method of acquiring seismic data over a wide range of azimuths that the organization says improves the efficiency…
IADC operations push forward with focus on improving drilling efficiency worldwide
Posted on 30 October 2009 in 2008, Drilling It Safely, IADC: Global Leadership, Global Challenges, Innovating While Drilling, Onshore Advances, September/October, The Offshore Frontier
It’s been another exciting and challenging year as IADC strives to fulfill the needs of an intensely demanding and always-evolving industry. In government affairs, for example, we continue to provide critical input on the EU’s Working Time Directive and critical court appeals that will impact day-to-day drilling operations. Our accreditation & certification department is further [...]
MPD planning: How much is enough?
Posted on 30 October 2009 in 2008, Innovating While Drilling, September/October
By Paul Spriggs, Philip J Frink, Blade Energy Partners This article addresses the key drivers and risks associated with the use of applied backpressure managed pressure drilling. One of the two key issues that must be understood early on is whether the well can be drilled statically overbalanced or if it needs to be drilled [...]
Defining drillstring specifications to maximize safety, performance in sour service environments
Posted on 30 October 2009 in 2008, Innovating While Drilling, September/October
By Anne Sevignon and William Gamisans, VAM Drilling The evolution of drilling programs has driven the industry to develop more suitable solutions adapted to extreme and aggressive environments such as sour service. High-strength drill pipe is necessary to achieve deeper drilling objectives, even if the sulfide stress cracking susceptibility is an acknowledged concern starting with [...]
Service company geomechanics group: Knowledge integration is our objective
Posted on 30 October 2009 in 2008, Innovating While Drilling, September/October
In today’s high-cost drilling environment, the lack of integration of valuable pore pressure or other reservoir information can cost a company millions of dollars, said Colin Sayers, scientific advisor for Schlumberger’s geomechanics group. He cited an example of one oil company where the geophysics department never told the drilling department about a small fault above [...]
Working the pore pressure puzzle: Different Languages, same goal
Posted on 30 October 2009 in 2008, Innovating While Drilling, September/October
Pore pressure knowledge is critical when designing a well. It’s unlikely that anyone in this industry would argue with that. Pore pressure drives the casing design, which drives the well plan, including hole sizes and mud weight. An inaccurate pore pressure model could even lead to a well control event, causing financial losses or, worse, [...]
Case study: new concentric expandable reamer tool used in Gulf of Mexico
Posted on 30 October 2009 in 2008, Innovating While Drilling, September/October
By Steven Radford, Will Thompson, Hughes Christensen; Mark Jenkins, INTEQ In the deepwater Green Canyon section of the Gulf of Mexico, an operator lost 10,000 bbl of synthetic oil-base drilling mud in one well before finally abandoning the project. In cooperation with two Baker Hughes companies – Hughes Christensen and INTEQ – the operator began [...]
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