Taken from an actual photo of a trip spear with mechanic alongside for comparison of size. This is for 21 inch O.D. drive pipe. We have facilities for producing the heaviest tools required.] The OIL WELL ENGINEERING CO., LTD. _Works_: CHEADLE HEATH, STOCKPORT The largest Manufacturers of Oil Well Drilling Plant and oil Well Supplies in the British Empire LIST OF ILLUSTRATIONS PAGE ENGLAND’S FIRST OIL WELL _Frontispiece_ THE GLEN POOL 11 GEOLOGICAL SECTION SHOWING OIL SANDS 13 A GUSHER UNDER CONTROL 15 DERRICK OF AN AMERICAN OIL WELL 17 ROUMANIAN HAND-DUG WELLS 27 BUSTENARI--THE ROUMANIAN OIL REGION 31 EARLY BURMESE OIL PRODUCTION METHODS 34 EARLY JAPANESE DRILLING METHOD 35 VIEW IN THE GALICIAN FIELDS 37 “OILWELL” HEAVY ROTARY OUTFIT 47 PRIMITIVE METHOD OF TRANSPORT 65 OIL PIPE-LINE CONNECTIONS 67 A MAMMOTH TANKER 73 TAKING OIL FUEL ABOARD 81 LIQUID FUEL BURNERS 83 OIL FUEL FOR MARINE PURPOSES 85 THE “SCARAB” OIL BURNER 87 AN OIL COOKER 93 VICKERS’ NEW ENGINE (FRONT VIEW) 99 VICKERS’ NEW ENGINE (REAR VIEW) 99 HIGH DUTY ENGINE FOR LIGHT CRAFT 101 LOW DUTY MARINE ENGINE 101 THE PUMPHERSTON OIL SHALE WORKS 138 SOME BURMAH PRODUCERS 154 THE PETROLEUM TIMES PUBLISHED WEEKLY PRICE 6d. The International Petroleum Journal “The Petroleum Times” is Edited by ALBERT LIDGETT and is the most influential and widely circulated petroleum journal printed in the United Kingdom. _The fact that you are reading this advertisement suggests that it has some interest to you. Then write for a specimen copy which will gladly be sent._ _Editorial and Publishing Offices_: BROAD STREET PLACE, LONDON, E.C.2 PETROLEUM CHAPTER I PETROLEUM AND ITS ORIGIN In dealing with the question of petroleum and its origin, the subject can well be defined under two headings: one, the origin of the word “petroleum”; the other, the origin of the mineral itself. As to the former, this is a matter of historical interest; of the latter, the question is still in doubt--and the doubt becomes even the more doubtful, the more the question is debated.