The Halliburton Reservoir Monitor Tool 3-Detector™ (RMT-3D) pulsed-neutron service solves for water, oil, and gas saturations within reservoirs using three independent measurements (Sigma, C/O, and SATG). This provides the ability to uniquely solve simple or complex saturation profiles in reservoirs, while eliminating phase-saturation interdependency. This information can be used to monitor reservoirs, increase production, improve recovery, and find bypassed pay in some of the most difficult situations.
CASE STUDY / SPECTRUM, RMT-3D, and PLT
The SPECTRUM® real-time hybrid CT service, combined with an RMT-3D pulsed-neutron tool and a PLT, enabled a successful logging program, including both the drift-run and water-flow logs.
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The RMT-3D service provides the following information:
Secondary and enhanced oil recovery projects need to be monitored to maximize production. The RMT-3D service accurately measures oil, water, and gas saturations in mixed or unknown formation water salinities. With this information, informed decisions can be made to manage the field for greater recovery.
In conventional and unconventional reservoirs, the RMT-3D service provides detailed knowledge about porosity, volumes, mineralogy, lithology, and the water, oil, and gas saturations. This data is analyzed to create advanced solutions to produce the information our customers need to make informed decisions on their wells.
The RMT-3D service generates high-energy neutrons that interact with both the matrix and fluids. Neutrons, going through a series of collisions, go from high to low energy before they’re finally captured. These interactions produce gamma rays of specific energies, based on the atomic element.
With the neutron generator off, the RMT-3D service can passively listen to naturally occurring radioactive elements such as potassium, uranium, and thorium. KUTh analysis is used for advanced shale and clay typing through the use of crossplotting both potassium and thorium. These measurements can be used as a shale indicator where normal total gamma ray tools are ineffective due to uranium-rich formations.
The RMT-3D service is designed with a focus on combinability to save time and cost by gathering all data requirements with a single trip in the hole.
Combinability includes, but is not limited to:
