Frac dart with a counting system
AssigneeBaker Hughes Oilfield Operations LLC
InventorsTodd Christopher Jackson, Matthew D. Solfronk, James Scott Sanchez
Life of this patent
Estimating the term…
Abstract
A frac dart includes a body having an outer surface and an end including at least one opening. A cutter support is mounted at the end adjacent the at least one opening. A cutter is moveably mounted at the cutter support. A counter support is slideably mounted on the outer surface, and a counter is arranged between the counter support and the cutter support. The cutter is operable to sever a portion of the counter.
Claims19
A frac dart comprising:
- a body having an outer surface and an end including at least one opening;
- a cutter support mounted at the end adjacent the at least one opening;
- a cutter moveably mounted at the cutter support;
- a counter support slideably mounted on the outer surface;
- and
- a counter arranged between the counter support and the cutter support, the cutter being operable to sever a portion of the counter.
A resource exploration and recovery system comprising:
- a surface system;
- a sub-surface system including a tubular extending into a formation, the tubular including a plurality of frac sleeves;
- and
- a frac dart that may selectively pass through one or more of the plurality of frac sleeves, the frac dart comprising:
- a body having an outer surface and an end including at least one opening;
- a cutter support mounted at the end at the at least one opening;
- a cutter moveably mounted at the cutter support;
- a counter support slideably mounted on the outer surface;
- and
- a counter arranged between the counter support and the cutter support, the cutter being operable to sever a portion of the counter.
A method of introducing a frac dart having a sleeve counting system into a tubular comprising:
- dropping the frac dart into the tubular;
- counting, with the sleeve counting system, each time the frac dart passes through a frac sleeve for a selected number of frac sleeves by cutting off a portion of a counter;
- and
- preventing the frac dart from passing through a selected frac sleeve immediately after the selected number of frac sleeves.
Dependencies are inferred from the claim text.