Medusa® Technology

Medusa^® Technology

Medusa^® section milling and cutting technology were developed to meet the need for a cost-saving, permanent and verifiable 360 degrees barrier to be placed in the wellbore without the need to cut/pull and dispose of multiple casing strings or conduct lengthy and expensive pilot milling of single casing strings. Medusa^® enables dynamically stabilised single and multiple string section milling while ensuring no harm to outer casing strings, regardless of casing eccentrics.

Medusa^® VS Technology

Medusa^® VS performs dynamically stabilised single and multiple string section milling of the casing while ensuring no adverse damage to outer casing strings. Medusa^® self-centralises inside the string of casing it is milling so that eccentric casing strings can be milled selectively. No matter your section milling needs, there is a tool in the Medusa^® product line to get the job done.

o New patented design for casing sizes 6 5/8" out to 30."
o Multifaceted tool - can function as a single string section mill, a dual string section mill or a wellbore cleanout/casing scrubbing tool.
o Designed cutter technology ensures no harm to an outer string of casing and provides real-time data as to the rate of penetration and cutting depth based on cutter wear.
o Swarf size created lends itself to easy removal or disposal option downhole.
o Medusa^® blade lengths can be manufactured specifically for long window lengths of 100’+.
o Medusa^® can be custom designed to fit your wells' specific needs for perfect fit and performance.
o Medusa^® can mill upwards on the same run if an obstruction curtails downward milling.
o With adequate blade structure remaining, Medusa® can expand into the cut window to scrub clean outer casing on the same run.
oMedusa^® operates in high RPM, low torque, and low WOM parameters, enabling rigless P&A.
o Ability to under ream to fresh formation across the casing window for true rock to rock P&A.
o Short BHA length (<10ft).

Medusa^® CT Technology

Medusa^® CT cutting technology was developed specifically for Thru Tubing P&A to meet the need for permanent rock to rock barrier placement without removing production tubing. Medusa^® CT is backed by Romar-Abrado’s extensive dual- string section milling experience and is run on conventional coiled tubing. The tool is fully stabilised while milling upwards below a left-hand rotation mud motor and our patent-pending CT release tool. This breakthrough technology allows operators to section mill windows in the tubing and casing and underream to rock formation, further reducing P&A costs while ensuring an effective barrier placement.

o New patented design for casing sizes 4 ½" out to 7 5/8".
o Single or dual casing string section milling.
o Custom designed to fit individual tubing architectures.
o Utilises Romar-Abrado's patented, self-centralising milling system.
o Proprietary cutter technology ensures no harm to an outer string of casing.
o Eliminates eccentric tubular interaction.
o Scrubs ID of outer casing or underreams to formation.
o Swarf left in well, eliminating surface swarf handling.
o Blade lengths customised for varying window lengths.
o Short BHA length (<6ft) (not including motor and CT release tool).
o Field redressable.