STUDY ON FACTORS AFFECTING VERTICAL DRILLING BOTTOM HOLE ASSEMBLY PERFORMANCE AND A NEW BOTTOM HOLE ASSEMBLY DESIGN METHOD CONSIDERING FORMATION UNCERTAINTIES

Drilling a deep vertical well at a low cost is very important for accelerating the exploration and development of oil and gas resources.Vertical drilling BHA design is the key to drill a vertical well, however the BHA design is still an art not science in some formation.In this paper, a new mechanical model of bent-housing motor BHA is established,

Supply Chain Management menjadi vetscan giardia rapid test salah satu perkembangan inti dari aktivitas organisasi.Dalam berbagai referensi SCM, utilisasi internet dan e-logistic melalui third party logistics mendukung upaya efisiensi supply chain, tetapi berpotensi mengancam rantai distributor.Menimbang kurangnya penelitian sebelumnya di Kalimantan