Mature Fields

Tech Paper: Coiled Tubing Multistage Horizontal Fracturing Technology Egyptian Case History

Lessons learned to achieve maximum production and improve efficiency of multistage fracturing operations Economic production from marginal reserves in mature fields has always been a major development challenge. Drilling horizontal wells and deploying coiled tubing (CT) multistage hydraulic fracturing stimulation treatments is now a proven solution for mature field development because it exposes more stimulated production zones. Khalda and Umbarka fields are two mature...

Tech Paper: Strain-Gauge Measurements Used to Identify Wellbore Tortuosity

Bending moment used by this new approach to show severity of wellbore tortuosity To determine wellbore tortuosity, the industry uses different methods. Well trajectories can be calculated between survey stations in the wellbore with the resolution of the tortuostity dependent on the survey frequency. Friction factors within the wellbore can be back calculated from surface torque-and-drag information and used as empirical indicators of...

Tech Paper: Far Mobility Evaluation Using Minifrac Analysis in a Deep Sandstone Formation: Case Histories

Hydraulic fracturing treatment is one of the major contributors to increase oil and gas production. In most areas, fracturing has remarkable impacts on gas potential and sustainability. Proper design and implementation of fracturing technology and calibration of fracturing parameters provide significant technical and economic advantages. The minifrac treatment conducted before the main hydraulic fracturing, is a tool often used to conduct some essential evaluations of the...

Tech Paper: Multistage Horizontal Well Hydraulic Fracturing Stimulation Using Coiled Tubing to Produce Marginal Reserves from Brownfield: Case Histories and Lessons Learned

Horizontal multistage fracturing required to achieve production targets Baharyia formation is a common reservoir in the western desert of Egypt characterized as a low quality sand and a heterogeneous reservoir. It is comprised of fine-grained sandstone, thin, laminated, sand-poor parasequences with shale interbeds. The heterogeneity and low permeability of Upper Baharyia reservoirs are the main challenges to maintain economical well productivity. The interest...

Case Study: Innovative Perforation Application Helps Production Excel

Halliburton’s innovative perforation application overcame excessive formation damage and boosted anticipated production by 313%. CHALLENGE – An onshore, cased-hole, and perforated oil wellbore located in the Ecuadorian rainforest had a damaged formation and low bottom-hole pressure leading to excessive losses with depleted intervals and sub-average production rates. The operator needed alternatives for bypassing the damage and an perforation application that could perforate a...

Tech Paper: First-Ever Level 4 Multilateral Well in North Kuwait Field Successfully Completed, Improves Oil Production

Pilot well to identify feasibility of multilateral wells to  enhance oil recovery, reduce drilling costs Kuwait Oil Company (KOC) has recently drilled the first multilateral well in a North Kuwait field to improve oil production in productive layers subjected to water coning problems by increasing reservoir exposure using Level 4 multilateral technology. The multilateral well targeted the same sand in different directions with two...

Case Study: Old Romanian Wells Need Increased Production

Six months of collaborative planning and modeling result in safe job execution and a large production increase for a Halliburton client. CHALLENGE – OMV Petrom in Romania had a number of aging wells with declining production. They were experiencing low reservoir pressure, clogged perfs and proximity of the perfs to the bottom of the well. They needed a collaborative solution that would increase production...

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