US58650A

US58650A - Improved driving-pipe for oil-wells

Info

Publication number: US58650A
Authority: US
Publication date: 1866-10-09
Anticipated expiration: 1883-10-09

Description

GEO. L. KINGUYOF PHILADELPHIA, PENNSYLVANIA.

IMPROVED EllilVlNG-PIPE FUR GIL-WELLS Specilcation forming part of Letters Patent No. 5.i ,'dated October 9, 1856.

To all fio-hom it may concer Be it known that I, GEORGE L. KING, of t-lie city and county of Philadelphia, and State ot' Pennsylvania, have invented a new and useful Improvement in Driving-Pipes for Surfacing in Oil, Salt, and Vater vVells5 and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

The nature of my invention and improvenient consists, in thefirst place, in the use of wroughtvirou driving-pipes -t'or surfaciiig in oil, salt, and water wells, in the second place, in combining a shoe or cutter of wrought'iron laid with steel with the forward or lower end of the pipe, in the third place, in connecting the sections ofthe pipe by means of thinibles screwed on their adjoining ends to give increased strength thereto; and in the fourth place, in strengthening the pipe by means of bands shrunk thereon, which bands, the thimbles, and the shoe are turned otf of the same diameter, so as to give a straight surface to the exterior of the combined pipe, to insure its being driven in a straight line, thereby requiring less force to drive it than. if it took a crooked course, and making the drawing of it practicable, if desired, by the failing ol" the well or for other reasons.

Hitherto driving-pipes have been made ot' east-iron, on aecounto'l:l the. great tendency of wrought-iron to bend and take a crooked course, thus requirin g increased force to drive them, and making it difficult to draw the-iii when they have to be taken up.

In the aecoinpanying drawings, Figure l is a vertical section ofthe lower joint of the pipe, with the shoe or cutter combined therewith. Fig. 2 is a perspective view of the slice or cutter A.

Like letters in both the'ligures indicate the same parts.

A is the shoe or cutter on the forward or lower end of the pipe l5, as seen in Fig. i. It is shown detached -from the pipe in 2.

rlhe main body of the shoe I construct of wrought-iron, having only the cutting part of steel, which is laid or welded on the iron. The cutting-edge is formed by means et.' a bevel, a, on the inside, so as to make a clean eut for the free passage of the pipe.

In the upper end of the shoe there is a rab bet, b, in which a screw-thread is cut to receive a male screw on the lower end of the iirst section ofthe pipe B.

The end or lower and horizontal surface of the rabbet is a square abutment for the lower end ofthe pipe, to give great resistin power.

On the upper end of the section ofthe pipe a similar thread is cut to the one on the lower end, and the thinible C is screwed thereon to one-halt' its depth. The remaining portion is for the reception of the lower end of the next section of the pipe, which is butted squarely to the end of the first section, so as to give great resistance when the pipe is driven, and to take the strain oftl of the screw'threads.

There are wrought-iron bands D shrunk upon the pipe, which have a square abutment to each other, and the end ones butt square against the thiinble and shoe, respectively, the end of the shoe outside of the rabbet l) being equal to the thickness of the band. I turn the ends of the thimbles, ends of the sections B ofthe pipe, the outer ends ofthe strengthening-bands and joint end, and rabbet of the cutter, square, so that when the several parts are screwed together the strain is taken off of the screw-threads.

The ou ter peripheries ot the shoe, bands, and thinible are turned oft' of equal diameter, so as to make the pipe perfectly straight on its surface, and thereby insure its being driven in a straight line. The diameter of the cutter at the cuttin g-ed ge maybe a tritle larger than the pipe, to allow the latter a free passage.

The great strength given to the pipe by means of its square abutineiits, strengthening thiinbles and bands, adapts it to being driven into and among bowlders.

rihe length ot' the pipe is increased to suit the required depth of the well by additional sections, connected by means of thimbles, as described above, the sections being all strengthened by means ofthe bands D. NVhen circuinstances justify it, there may be spaces left between the strengthening-bands.

In ease of the pipe having to be withdrawn when it runs crooked or when the well proves a failure, the tliiinbles which connect the sections ot' the pipe so strengthen them as to prevent their being burst by action of the withdrawing-tool.

Having thus fully described my improvement in. driving-pipes lfor oil, salt, and Warter Wel1s,wh2tt I claim therein as new, and desire to secure by Letters Patent, is-

1. The Combination of the inner pipe, B, strengthening-bands D, and thiinbles C, the several parts bein g constructed and arranged,

n-relation to each other, substantially in the manner hereinbefore described and for the purpose specified.

2. The combination of the shoe or cutter A with the lower end of the pipe B and lower strengthening-band' D, substantially in the manner described und for the purpose above set forth. v

In testimony that tbe above is my invention I have hereunto set my hand and afixed my Seal this 16th dayOf July, 1866.

GEORG-E L. KING. [13. s] lVitnesses'.

YV. E. BENSON S. L. KING.