An innovative technique for damage by-pass in gravel packed completions using tip screen-out fracture prepacks

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:379627

Montagna, J N; Saucier, R J; Kelly, P

An innovative completion technique is being used in wells that require sand control to help eliminate high skins and increase pay, or effective kh, and thus improve well productivity. The success of this technique lies in concentrating high conductivity proppants in the near-wellbore region. This is accomplished by creating and propping a properly designed, length limited, hydraulically-induced fracture in conjunction with an annular water gravel pack. The result is a highly conductive flow path from virgin formation, through the near-wellbore damaged zone, and into the wellbore that also controls formation sand. The limited fracture is designed with the intent of preserving the integrity of the near well gravel pack since this aspect is critical to realizing the full benefits of the fracture. Industry data indicates that optimum gravel packing is achieved with a brine proppant carrier. In some cases, the entire operation (limited fracture and gravel pack) may be completed with brine. However, in other cases, as discussed here, the high leak-off associated with brine is reduced by a product developed to overcome the excessive fluid leak-off. Brine following this material provides the carrier medium for proppant placement in the fracture and for the gravel pack. The process is described and examples of field applications and results will be presented.

• OSTI ID: 379627
• Report Number(s): CONF-950533--
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
ENHANCED RECOVERY
HYDRAULIC FRACTURING
INSTALLATION
NATURAL GAS WELLS
OIL WELLS
PROPPING AGENTS
RESERVOIR ENGINEERING
WELL STIMULATION