|Publication number||US714508 A|
|Publication date||Nov 25, 1902|
|Filing date||Nov 11, 1901|
|Priority date||Nov 11, 1901|
|Publication number||US 714508 A, US 714508A, US-A-714508, US714508 A, US714508A|
|Inventors||Fred Joseph Moser|
|Original Assignee||Fred Joseph Moser|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (10), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
` N0. `714,5ca'a.
F. J. MUSEE. HEAD F03 OIL WELLS.
(Application med Nov. 11, i901.,-
W/ TNE SSE S UNITED 'STATES PATENT OFFICE FRED JOSEPH MOSER, OF KANE, PENNSYLVANIA.
HEAD Fon OIL-WELLS.
SPECIFICATION forming part of Letters Patent No. 714,508, dated November 25, 1902. Application filed November 11| 1901. Serial No. 81,857. (No model.)
To all whom it may concern.-
i Beit known that I, FRED JOSEPH MOSER, a citizen of the United States, and a resident of Kane, in the county of McKean and State of Pennsylvania, have invented a new and lmproved Head for Oil-Wells, of which the following is a full, clear, and exact description.
This invention relates to a means for packing the tubing of an oil-well in the casinghead so as to prevent leakage of the gas.
The invention involves certain other improvements in various points of detail, as will be fully brought out hereinafter.
This specification is a specific description of one form ofthe invention, while the claims are deiinitions of the actual scope thereof.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.
Figure l is a sectional view of the invention on the line l 1 of Fig. 2. Fig. 2 is a sectional plan view on the line 2 2 of Fig. l; and Fig. 3 is a side elevation of the invention, also showing the means for anchoring the tubing to the casing-head.
Ct indicates the well-casing, and b the head, which is screwed or otherwise fastened on the top of the casing. This head has nipples b', to which the gas-pipes c are connected by screwing them thereinto or by any other means desired, these gas-pipes passing horizontally the horizontal nipples.
d indicates the tube, which passes vertically through the head and into the casing. At the top of the head a, is a stuffing-box b2, which is concentric to the tube d, but separated therefrom, so that the tube, as well as* the tube-coupling, may freely pass through the stuffing-box, as isnecessary in the adjustment of the tube in one manner or another, as will be readily understood by persons skilled in the art. u At the base of the stuffing-box b2V is an internal annular shoulder b3, which is rounded on its edges, so as to prevent the binding of the coupling of the tube dagainst the shoulder as the coupling moves through the stuiiing-box.
e indicates the packing-gland, which is litted in the stufng-box b2 and which is held in place by bolts f, engaged with the gland and fitted between lugs b4 on the stuffing-box b2 at the outside thereof.
g indicates the packing, and h indicates a metallic packing-ring which is removably litted within the box b2 and bears removably on top of the annular rib or shoulder b3 to support the packing g. u
Now it will be observed that by means of the devices above described the tube d is held in the head h so that the tube may be removed when desired. The tube may be removed from the well by displacing the parts e, g,
and hand drawing the tube and its couplings through the head b. The annular rib or shoulder b3 is so arranged as to permit the passage of the couplings, and by "means of its rounding edges the couplings are not liable' to bind against it. The packing devices e, g, and h effectively preventV the escape of gas around the tube d, notwithstanding this' tube may from time to time be adjusted vertically in the head b.
Fig. 3, in addition to illustrating the parts above described, shows the means for anchoring down the tube d, which operation is sometimes performed, as will be fully understood by persons skilled in the art.
z' indicates a cross-head of any suitable form, which is mounted on the tube d and adapted to be engaged with one of its couplings CZ', so as to prevent movement of the cross-head on the pipe in the direction toward the head b.
7c indicates eyebolts, the eyes of which are engaged with the nipples b', and' these bolts extend up to and into connection with the ends of the cross-head By tightening the nuts of the bolts 7c the cross-head t' may be forced down, and thus the tube d held against any pressure developed Within the casing or tube. When the parts r1, lo, e, and f are removed, the box b2 is left unobstructed, so that a tool for raising or lowering the tube may be placed and Worked on the box.
Various changes in the form and details of my invention may be resorted to at will without departing from the spirit of my invention. Hence I consider myself entitled to all forms of the invention as may lie within the intent of my claims.
Having thus described my invention, l
claim as new and desire to secure by Letters Patent--v l. The combination of a casing-head having means for permitting the passage of the tube therethrough and also having oppositelydisposed nipples adapted for connection with the gas-line, a cross-head engaged with the tube, and eyebolts, the eyes of which are connected with the nipples, said bolts extending up to the cross-head, for the purpose specified.
2. A casing-head, comprisinga stufting-box with an unobstructed upper end and lugs on its outer sides, a packing-gland fitted in the stuliug-boX,tie-bolts connected with the gland and extending down to and removably engaged With the lugs, for the purpose speciied, horizontal nipples projecting from the vcasing-head, a crosshead adapted to engage FRED JOSEPH MOSER.
E. C. ANDERsEN, J. H. THOMAS.
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