Halliburton Energy Services, Inc.

Albert Winkler

Michael Linley Fripp

Andrew Penno

Michael John Christie

Celso Max Trujillo

An acoustic actuator for scale removal and prevention in a wellbore is described herein. For example, a system can include a tubing string deployed downhole in a wellbore. A downhole tool can be coupled to the tubing string. An acoustic actuator can be coupled to the tubing string and positioned proximate to the downhole tool. The acoustic actuator can generate an acoustic signal that can vibrate the tubing string to generate a fluidic disturbance in downhole fluid within the tubing string for removing contaminants from, or preventing formation of contaminants, on the downhole tool.

Preventing or removing contaminants in wellbore fluid using an acoustic actuator

A system for deploying an untethered dissolvable frac package for use in a hydraulic fracturing operation includes a dissolvable or degradable frac package with a dissolvable or degradable setting tool. The setting tool of the dissolvable frac package is configured to deploy a dissolvable frac plug at a predetermined position along the wellbore string and dissolve over time in the wellbore.

Dissolvable setting tool or hydraulic fracturing operations

A magnetic system for determining a position of an untethered dissolvable frac package for use in a hydraulic fracturing or stimulation operation. The system includes an array of magnets operable to produce a magnetic field that is operably associated with a position downhole along the string. A setting tool of the dissolvable frac package is configured to sense the magnetic fields and deploy a dissolvable frac plug at a predetermined position along the wellbore string.

Locating self-setting dissolvable plugs

Acid stimulation operations in a wellbore may be conducted using frac plugs constructed of a hydrolytically degradable polymer. The frac plugs may be constructed of an aliphatic polyester such as PGA and may be readily pumped into position in the wellbore due in part to their relatively low density. Once perforations have been created in the wellbore and a first frac plug is set in place, an acid solution may be pumped at a high-pressure acid against the frac plug and into the geologic formation. A second and/or any number of subsequent frac plugs may be pumped behind the acid, e.g., in brine solution, to be used in subsequent acid stimulation operations. After completing acid stimulation operations, the frac plugs may degrade in the wellbore to permit production.

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Singapore, Singapore

Albert Winkler