Patent · US Active

Modular ball drop

US9260933B2 · kind B2 · utility

79Cited by

15References

17Claims

0Family size

Assignee

OIL STATES ENERGY SERVICES, L.L.C. · US

Inventors

Danny Lee Artherholt · Asher, US
Bob McGuire · Moore, US
Mickey Claxton · Oklahoma City, US

Key dates

Filing date	Jan 15, 2013
Grant date	Feb 16, 2016
Priority date	—
Expiry date	May 20, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K35/027
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A modular ball drop made up of two or more identical ball drop modules that are vertically stacked in a desired number. Each ball drop module can drop one or more frac balls into a fluid stream being pumped into a well.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.