In Ecuador, Schlumberger provided Integrated Services Management (ISM) to reduce total drilling time by 2 1/2 days, saving the customer $250,000 on the Tiputini project. The combined technologies and services included:
ONYX and Stinger technologies enabled better steerability and stability as well longer and faster runs. Operations were completed in 7 1/2 days instead of the expected 11 days.
In the Middle East and Asia Area, the transformation program enabled reductions in equipment numbers and tool reliability repair costs for Schlumberger by using Technology Lifecycle Management (TLM). The use of TLM:
WesternGeco deployed its newly developed eSource marine seismic energy source on the Amazon Conqueror for a multiclient survey, which uses an acquisition technique that depends on high source reliability to ensure maximum operational efficiency.
In the Gulf Cooperation Council (GCC) region, Integrated Drilling Services (IDS) delivered a 40% drilling performance improvement in the first three quarters of 2016 compared with non-integrated drilling services in similar fields. The improvement is based on the feet drilled per hour below the rotary table. This achievement was enabled by a combination of drilling technologies:
Schlumberger combined these technologies with integrated workflows overseen by multidisciplinary domain experts in the Saudi Arabia and Abu Dhabi Drilling Technology Integration Centers to reduce both drilling and overall development costs.
In the Norwegian sector of the North Sea, Schlumberger deployed the GeoSphere* reservoir mapping-while-drilling service to increase the productivity of wells in the Balder field. The customer had two goals:
GeoSphere technology mapped the top of massive sands from more than 20 m total vertical depth above and detected the oil/water contact while landing the 12 ¼-in section before penetrating the reservoir. For the 8 ½-in reservoir section, the customer was able to plan a geosteering strategy ahead of the bit by combining seismic interpretation and GeoSphere mapping results.
In Egypt, Schlumberger used the GeoSphere* reservoir mapping-while-drilling service to eliminate a pilot hole in the Abu Rudeis field, which saved the customer $1.8 million. GeoSphere* reservoir mapping-while-drilling service:
An unconformity at the top of the oil-bearing sandstone initially required a pilot hole to determine intermediate casing depth while pressurized shales above the target zone required a high mud weight that made penetration of the target sand challenging due to potential mud circulation losses.
The transformation program enabled an increase in reliability and efficiency as well as product and service delivery in Saudi Arabia. As a result,
in the first six months of the CRE’s operation. Design, engineering, and maintenance teams at the Middle East CRE in Dhahran collaborated to create ruggedized modular housings for these measurement-while-drilling tools and decrease their susceptibility to movement and wear in a high-shock environment.
In the UAE, Schlumberger completed the first multistage, offshore source rock hydraulic fracturing treatments in the world. The eight jobs were completed in 40 hours with more than half a million pounds of proppant pumped. The technologies used included:
stimulating low-permeability, high-stress source rock.
Offshore Indonesia, Schlumberger saved a customer approximately 6 1/2 days of rig time, equivalent to $5.1 million in cost savings. Using MZ-Xpress* systems to perform multizone fracturing and gravel packing over four zones of completion in a well:
The well had five producing layers across two different casing sizes.
In North Texas, the transformation enabled improvements in tool reliability and reduced maintenance costs. Six months after implementing prognostic health management (PHM) it achieved an estimated $6 million of savings in operation costs. This involved:
Prognostic health management is an engineering discipline focused on predicting the future condition of a component and/or system of components. It is based on the analysis of failure modes, detection of early signs of wear and aging in complex systems and components, and correlation of these signs with an aging profile (or model).
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