|Publication number||US2094707 A|
|Publication date||Oct 5, 1937|
|Filing date||May 6, 1936|
|Priority date||May 6, 1936|
|Publication number||US 2094707 A, US 2094707A, US-A-2094707, US2094707 A, US2094707A|
|Inventors||Wesley Jones William|
|Original Assignee||Wesley Jones William|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (24), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Oct.`5, 1937. y w. w. JONES 2,094,707
CONTROL VALVE Filed May 6, 1956 2 Sheets-Sheet 1 i0 l o A y 1 I /5 /9 l L V y d. //Z 20 I I .9 Y- l-afr: 7J l I I:
| 4 I l 'l f\ INVENTOR ATToRNEY W. W. JONES CONTROL VALVE Filed May 6, 1956 Oct. 5, 1937.
2 vSheets-Sheet 2 INVENTOR www ATTORNEY Patented Oct. 5, 1937 UNITED STATES PATENT FFEQE 6 Claims.
This invention relates especially to well drilling apparatus and has for an object a provision of means for closing the passage through a well casing in the event of a gusher, or of re, the
5 closing means also serving to shut olf the well A'10 the invention further includes the following novel features and details of construction, to be hereinafter more fully described, illustrated in the accompanying drawings and pointed out in the appended claims.
In the drawings:-
Figure l is a vertical sectional view'of the valve shown in open position.
Figure 2 is a horizontal sectional view of the valve taken at line I-i of Figure 3 showing Valve in closed position. Y
Figure 3 is a vertical sectional View of a porion of the valve showing valve in closed posiion.
Figure 4 is an elevation of a fixed segment of the inner member of the valve housing taken toward the inner chamber of the valve.
Referring to the drawings in detail wherein` u like characters of reference denote corresponding parts character I represents the outer housing threaded at each end to fit into suitable reducing collar 2--2 said housing enclosing a control housing 3 which in turn encloses inner member 4 to which is attached a plurality of hinged segments 5 so designed that they will coordinate to effect a complete closure when the free ends of the hinged segments 5 are coordinately drawn toward the center of the inner chamber 6 and Valve may be opened by drawing the free ends of hinged segments 5 coordinately into spaces l, or drawn at any intermediate position desired. The aforementioned o-perations are effected by opening cable 8 and closing cable 9, both cables are attached to and operated by suitable control shaft I operating Within operating space i I in control housing 3.
Opening cable 8 is alternately threaded through apertures I2 in hinged segments 5 and apertures I3 in xed segments I4 of the inner member 4, both ends of said opening cable 8 are iixedly attached to control shaft I8.
Closing cable Il is threaded through apertures I5 in hinged segments 5 and both ends of said closing cable 9 are flxedly attached to control shaft III.
In fixed segments I4 of inner member 4 are notches I6 for the accommodation of closing cable 9 when valve is in open position and notches Il for the accommodation of opening cable 8 when Valve is in open position.
Suitable set screws I9 are provided to help 5 secure valve housing and inner member.
In order to provide space for opening cable 8 and closing cable 9 when coiled about control shaft I0 an enlarged operating space I8 is provided, also openings I9 and 26' through hinged l0 segment nearest operating shaft are provided respectively for passage of opening cable 8 and closing cable 9.
A detailed description of the operation of my invention follows: o
Consider the valve entirely open as shown in Figure 1, the hinged segments 5 fit between ilxed segments I4 of inner member 4 of the valve in such manner that inner surfaces of hinged segments 5 are flush with inner surfaces of the 20 inner member 4 and fixed segments AI4 thereof and opening cable 8 and closing cable 9 are fully recessed in apertures I2 and I5 and notches I6 and I'I. In this position the ends of opening cable 8 are coiled around control shaft I0 in op- 25 erating space I8 in its eXtreme open position while the balance of opening cable 8 is fully recessed within apertures I2 in hinged segments 5 and apertures I3 and notches Il in xed segments I4 of the inner member 4 and coiled about oper- 30 ating shaft l0. While valve is in said extreme open position, closing cable 9 is fully uncoiled from said control shaft III and fully recessed in apertures I5 of hinged segments 5 and notches I6 of xed segments i4 of inner member 4 said 35 closing cable threaded alternately through apertures I5 of hinged segments 5 and through notches I6 of fixed segments I4 of inner member 4 in a plurality of turns.
Now it will be seen that by rotating control 40 shaft I9 to uncoil opening cable 8 that closing cable 9y will simultaneously be coiled around control shaft IIJ in an opposite direction to that of opening cable 8. By this operation the free ends of hinged Segments 5 are coordinately drawn 45 toward the center of inner chamber 6 so as to ultimately close the passage therethrough. The valve is now in its closed position.
Referring now to Figure 3 it will be seen that closing cable 9 is coiled to its extreme position 50 about control shaft I8 whiley opening cable 8 is entirely uncoiled from control shaft I8. It will be seen that by thus drawing opening cable 8 about operating shaft I0 the free ends of hinged segments 5 are drawn into spaces l between fixed 55 segments I4 by reason of the fact that said opening cable 8 is alternately threaded through apertures'l2 in hinged segments 5 and apertures I3 in xed segments I4 of the inner member 4. The valve is now in its original open position.
A balance in tension of the cables is achieved through theV placement of the two cables in relation to each other which balance may be maintained throughout the operations of opening or closing the valve. Y
In open position the inner chamber is entirely unobstructed of valve mechanism permitting normal drilling operations. Y
Having described the invention what is claimed isz- 1. A casing valve comprising a housing Vprovided with means for connecting housing to casing at either or both ends, a plurality of triangular' hinged segments attached interiorly thereto and so designed that the free ends of said segments may be coordinately swung together to form a pyramidal or conic shaped unit to'entirely shut off the passage or iiow therethrough with suitable mechanical means for bringing the free ends of said hinged segments together.
2. A casing Valve comprising a housing constructed to contain recesses within its inner wall provided with means for connecting housing to casing at either or both ends, a plurality of hinged Y segments attached interiorly thereto and so de-V signed that the free ends of said segments may be coordinately swung together to entirely shut o' the passage or ow therethrough-and a. cable or cables for drawing together said free ends of said hinged segments, said cable operating between the walls of the valve, and in open position of valve, entirely disposed within the recesses `of the inner wall so as to leave an unobstructed cylindrical opening through the valve.
3. A casing Valve comprising a vhousing pro- Y vided with means for connecting housing to casing at either or both ends, a plurality of hinged segments attached interiorly thereto and so designed that the free ends may be coordinately swung together to entirely shut ofi the passage or flow therethrough, aV closing cable slidably attached toward the free ends of said hinged segments in such manner that the free ends may be drawn together to effect a closure of the passage therethrough.
4. A casing valve comprising a housing provided with means for connecting housing to casing at either or both ends, a plurality of hinged segments attached interiorly thereto and so designed that the free ends thereof may be coordinately swung together to entirely shut off the passage or flow therethrough, an opening cable attached to and toward the free ends of said `hinged segments and alternately to'the housing at pointsintermediate to location of hinged segments.
5. A casing valve comprising a housing pro- V vided with means for connecting housing to casments may be coordinately swung together to' form a pyramidal or conic shaped unit to entirely shut 01T the passage or flow therethrough, said housing being so designed as to accommodate the whole of said hinged segments Vwithin its inner wall when Valve is in full open po-sition.
WILLIAM WESLEY JONES.
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|U.S. Classification||251/212, 251/294, 138/45, 251/1.1|
|International Classification||E21B34/00, E21B34/16|