Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
drill collar
- Non-magnetic Drill Collar
- 1 Pieces
- Negotiable
- Non-magnetic Drill Collar
- 1 Pieces
- USD $50 - 2,000 / Piece
- HOT SALES! Non-magnetic Short Drill Collar
- 1 Pieces
- USD $100 - 1,000 / Piece
- Non-magnetic Short Drill Collar, API Standard
- 1 Pieces
- USD $100 - 1,000 / Piece
- Non-magnetic Drill Collar
- 1 Pieces
- Negotiable
- Casing Whipstock
- 1 Pieces
- Negotiable
- API standard Non-magnetic Drill Collar
- 1 Pieces
- USD $7,500 - 7,500 / Piece
- API Drilling Collar,Nonmagnetic Drill Collar
- 1 Pieces
- Negotiable
- drilling rig of API Drill Collar
- 10 Pieces
- USD $100 - 500 / Piece
- Short Drill Collar
- 1 Pieces
- USD $8,000 - 15,000 / Piece
- Slick Drill Collar
- 1 Pieces
- Negotiable
- API standard Non-magnetic Drill Collar
- 1 Pieces
- USD $10 - 1,000 / Piece
- API standard Non-magnetic Short Drill collar/ Non-magnetic Pony Collar
- 1 Pieces
- USD $10 - 1,000 / Piece
- Nonmagnetic Drill Collar
- 1 Pieces
- Negotiable
- Nonmagnetic Drill Collar(NMDC
- 1 Pieces
- USD $1,000 - 10,000 / Piece