Steerable percussion air drilling system

Conference · Thu Dec 31 00:00:00 EST 1998

OSTI ID:357737

Bui, H D; Meyers, J A; Yost, II, A B

By increasing penetration rates and bit life, especially in hard formations, the use of down-hole air hammers in the oil field has significantly reduced drilling costs in the Northeast US and West Texas. Unfortunately, drilling by this percussion method has been limited mostly to straight hole applications. This paper presents a new concept of a percussion drilling tool which performs both the function of a down-hole hammer as well as that of a down-hole motor. Such a drilling tool, being introduced here as Steerable Percussion Air Drilling System (SPADS), eliminates the necessity to rotate the drill string and, consequently, enables the use of down-hole air hammers to drill directional wells.

• Sponsoring Organization: USDOE, Washington, DC (United States)
• OSTI ID: 357737
• Report Number(s): CONF-980213-; TRN: IM9932%%82
• Resource Relation: Conference: 1998 energy sources technology conference, Houston, TX (United States), Feb 1998; Other Information: PBD: 1998; Related Information: Is Part Of Proceedings of the 1998 ASME energy sources technology conference (ETCE`98); PB: [1170] p.
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
02 PETROLEUM
PERCUSSIVE DRILLS
WELL DRILLING
DESIGN
DRILLING EQUIPMENT
DIRECTIONAL DRILLING
OPERATION
DRILL BITS