- Carrollton TX, US Matthew Charles Stroever - Spring TX, US Sterling Robinson - Houston TX, US
International Classification:
E21B 29/00 E21B 10/14 E21B 10/567
Abstract:
A hybrid bit for use in a wellbore includes: a body having a shank for connection to a drilling motor or drill pipe and a plurality of legs attached to the shank; and a plurality of cutting structures. The cutting structures include a roller cone mounted to a first one of the legs and a fixed mill mounted to a second one of the legs and including a pad dressed with a cermet material.
- Carrollton TX, US Matthew Charles Stroever - Spring TX, US Sterling Robinson - Houston TX, US
Assignee:
Varel International Ind., L.P. - Carrollton TX
International Classification:
E21B 29/00 E21B 10/567 E21B 10/14
Abstract:
A hybrid bit for use in a wellbore includes: a body having a shank for connection to a drilling motor or drill pipe and a plurality of legs attached to the shank; and a plurality of cutting structures. The cutting structures include a roller cone mounted to a first one of the legs and a fixed mill mounted to a second one of the legs and including a pad dressed with a cermet material.
Name / Title
Company / Classification
Phones & Addresses
Sterling Robinson Managing
RONCHEZ ENTERPRISES LLC Business Services
1835 Lingard Park Ct, Houston, TX 77047
Sterling Robinson
NOSO TRANSPORT LLC
Sterling Robinson
CARING HEARTS NURSING LTD
Sterling Robinson
SILVER MANAGEMENT LLC
Sterling Robinson Director
GOOD HOPE CHRISTWAY MISSIONARY BAPTIST CHURCH Religious Organization
Calpine Oct 31, 2012 - Aug 31, 2015
Business Manager - Engineering and Construction Services
Calpine Oct 31, 2012 - Aug 31, 2015
Business Manager - Calpine Pasadena Cogeneration
St James House Aug 2009 - Nov 2011
Chief Financial Officer
Barrios Technology, Ltd Jun 2007 - Jun 2008
Business Manager - Contracts Department
Barrios Technology, Ltd Dec 2004 - May 2007
Staff Accountant - Finance Department
Education:
University of Houston - Clear Lake 2004 - 2006
Bachelors, Bachelor of Science, Accounting
Ross S. Sterling High School
University of Houston–Clear Lake
Skills:
Project Management Project Control Cost Control Cost Reporting Accounts Payable Accounting Accounts Receivable Account Reconciliation General Ledger Financial Accounting Bank Reconciliation Journal Entries Financial Forecasting Microsoft Excel Microsoft Word Outlook Accruals Bookkeeping Adobe Acrobat Administrative Assistants Data Entry Allocations Financial Analysis Subledger Accounting Trial Balance Balance Sheet Income Statement Cash Flow Reporting G/L Reconciliations Non Profits Healthcare Management Purchase Orders Change Orders Business Managment Financial Statements Budgets Management
Business Development Executive For Downhole Products And Varel Oil And Gas Drill Bits
Wayne Vernum, Kay Anthony, Paula Mcderby, Hotch Manning, Patrick Mungavin, Rose Mateer, Michael Johnson, Barbara Rash, Allan Drake, Margaret Silk, Patricia Heflin