Oil and gas well completion materials, namely, systems used for multistage hydraulic fracturing operations comprised primarily of metal zonal isolation packers and cartridge-activated metal sliding sleeves with dissolvable cartridges deployed from surface and installed down-hole

'activ':25 'cartridg':24,31 'cartridge-activ':23 'complet':5 'compris':15 'deploy':32 'dissolv':30 'down-hol':37 'fractur':13 'gas':3 'hole':39 'hydraul':12 'instal':36 'isol':20 'materi':6 'metal':18,26 'multistag':11 'name':7 'oil':1 'oper':14 'packer':21 'primarili':16 'sleev':28 'slide':27 'surfac':34 'system':8 'use':9 'well':4 'zonal':19

ECHO DC

Owners

Goods & Services