3 Review(s)

Provides detailed descriptions and case studies of the several technologies developed and widely used in Russia. There are directional drilling, deep and ultra-deep well construction, underbalanced drilling, rotary-turbine drills, underreamers, and retractable drill bits. Contents: Preface Acknowledgements Development of directional, cluster, and horizontal drilling technology using downhole motors Deep and ultra-deep well drilling technology in the FSU Development of well drilling and completion technology using air, aerated mud, and foam drilling methods Retractable drill bit technology - drilling without pulling out drillpipe Acronyms.