|Publication number||US2142559 A|
|Publication date||Jan 3, 1939|
|Filing date||Nov 24, 1937|
|Priority date||Nov 24, 1937|
|Publication number||US 2142559 A, US 2142559A, US-A-2142559, US2142559 A, US2142559A|
|Original Assignee||Lane Wells Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (13), Classifications (10)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Jan. 3, -1939. R DUUS 2,142,559
ORIENTING DEVICE Filed Nov. 24, 1937 lulu" E6. 4 EA V .DUl/S Patented Jan. 3, 1939 PATENT OFFICE,
oamm'nvc DEVICE Ray Duns, Long Beach, Calif., assignor to Lane Wells Company, Los Angeles, Calif., at corporation of Delaware Application November 24, 1937, Serial No. 176,243 J llclaims.
My invention relates to orienting devices, and amongthe objects of my invention are:
First, to provide an orienting device which is adapted to be incorporated in a tubing string adjacent a tool requiring orientation, said orienting device being so arranged that upon applying fluid pressure through the tubing string and slowly rotating the same, a rise in pressure occurs when said orienting device occupies a predetermined relation in azimuth to the direction of inclination of the well bore; 7 o
Second, to provide an orienting device which is capable of repeated operation while in the well bore whereby the apparent position of the orienting device and itsassociated tool may be checked and rechecked to insure proper orientation;
Third, to provide an orienting device which, although relying on a pressure increase in the circulating system for its operation, incorporates a circulation valve so arranged that full circulation ,may be had, if'desired;
Fourth, to provide an orienting device employing pressure rise indication which may be used in conjunction with practically all types of deflecting tools, such as knuckle joints, through which circulation must be maintained during operation; whipstocks, whether of the permanent or removable type; as well as other tools, such as impression blocks; I
Fifth, to provide an orienting tool which incorporates a back circulation valve to facilitate free entry of well fluid during insertion of the tubing string into the well bore;
Sixth, to provide an orienting device which is particularly compact in design and occupies a small diameterwhereby the orienting tool may be used in well bores oi small size;
Seventh, to provide an orienting device which may be employed in wells having only a slight inclination from the vertical, and which operates with increased accuracy as the inclination of the well bore increases;
Eighth,- to provide an orienting device oi. this character which is particularly simple and rugged of construction, capable of continued use without servicing or repair, and which is positive andfefflcient in itsoperatic'nr with the above-and other objects in:view;'as
may appear hereinafter, reference is directed to the accompanying-drawing, in which:
Figure 1 is a diagrammatical view of a well bore,
a tubing string and deflecting tool with my orienting device incorporated therewith;
Figure 2 is an enlarged longitudinal sectional view of my orienting device taken through 2-2 being well known in the art of directional drilling.
of Figure l, and showing the. adjacent tubing string and a deflection tool stem iragmentarily;
Figure 3 is a transverse sectional view through my orienting device taken substantially through 33 of Figure 2; and
Figure 4 is a fragmentary, longitudinal sectional view, similar to Figure 2, showing a modified form of my orienting device.
The principal elements of my orienting .devlc are contained within a body member I, in the m form of an elongated hollow cylinder internally threaded at its lower end to receive the stem'Dl "of a deflecting tool D. In the present instance the. 'deflecting tool is in-the form of a knuckle joint,
but the stem DI, which forms no part of the pres- 15 cut invention, may constitute a connecting link removably secured by a shear pin to a whipstock, or may constitute the collar-of a bit retained by a removable whipstock, these various structures The body member I is provided with aplurality 20 of longitudinally extending guide ribs 2 along its inner wall, which are separated by channels 3. Near their lower ends the ribs 2 merge into a spider 4, and the channels 3 form passages through the spider.
An orienting valve housing 5 is slidably mounted between the several guide ribs 2. The housing 5 is substantially cylindrical and is provided'with a partition 6 intermediate its ends. The upper 80 surface of the partition 8 is flat andforms a ball race I. l
The ball race 7 is intersected by a substantially radially-disposed abutment 8 having a vertical wall in which is formed a port 9. The port 8 communicates with a passage in leading downwardly through the abutment and partition 6, so as to discharge through the lower end of the housing 5. An orienting valve II in the form oi a sphere is positioned freely upon the partition 6 so that it u may roll over and aboutthe ball race I. The port 9 is so located'that its axis intersects the center of the orienting valve II when thevalve engages the abutment and is in contact with the adjacent side wall 0! the housing 5, as shown best in Figure 3. Operation of the orienting valve will be brought out in detail hereinafter.
I The spider I isprovided with a centered, interfnally threaded opening in which is mounted an adjusting plug i2. A spring i3 is interposed 'between the adjusting plug i2 and the partition 6 so as to hold the housing 5 in an upward position with respect to the guide ribs 2. The spider forms a stop, limiting downward movement of the housing. In order to prevent rotation of the housing with respect to the body member I, one of the guide ribs 2 is provi ed with a key-wayld into which extends a key 11 I5 extending radially from the housing '5'. The key pin occupies a predetermined angular relationship with the abutment 8.
The upper end of the-valve housing 5 is internally threaded to receive a circulation valve I6, which is in the form ofa plug and the lower end of which forms a retainer wall "to enclose the orienting valve II. The circulation valve I6 is provided with a reduced upper end which is provided with a valve face I1. Also, the circulation valve is provided with a bore I8 communicating from its upper' end into the orienting valve chamber. The upper end of the body member I is internally threaded to receive the lower end of an adapter head I9 having a-bore therethrough and a valve seat at its lower end adapted to coact' 20, is provided on the outside of the body member I to indicate the position of the abutment 8 in the orienting valve housing; As shown in Figure 2, the abutment 8 is shown as -occupying an offset relationship of 90 degrees with respect to the inclination of the deflecting tool, but may be any number of degrees. The approximate num- ,ber of degrees of this ofiset is noted and the deflecting tool is run into the well bore. Prior to running the deflecting tool, a suitable inclinometer has been lowered, from the record of which has been determined the'inclination and azimuth at the lower end of the well bore.
Wheii tlie tool is lowered into position, fluid under pressure is introduced at the top of the tubing string from a suitable pump P, and the tubing string slowly rotated. With the arrange j ment illustrated, this rotation should be clockwise, as indicated by the arrow in Figure 3. Assuming that the well bore inclines from vertical, and this is most always the case, the orienting valve I I tends to ride against the lower side of the ball race I with the result that as the abutment 8 rotates to the lower side, the port 9 moves into engagement with the ball or orienting valve II. When this occurs the pump pressure rises, and this condition can be readily determined at the surface by means of a conventional gauge G. The driller. knowing thatthe rise in pump pressure indicated closure of the port 8; knowing that the ball and port must necessarily be on the lower side of ,the well bore; knowing,' further, the direction in azimuth which the well bore inclines; and knowing, stilt-further, the angular relationship of the port 9 with respect to the deflecting tool,. it is merely necessary to turn the string or the rotary table each time a pressure rise occurs, the driller may quickly determine whether or not the orienting device is functionsimilarly to the construction shown in figures 1,
inc pr perly.
' described structure. The ori The circulation valve I6 is held in its-closed position by the spring I3 with suflicient force that an appreciable rise in pump pressure occurs before the circulation valve I 6 opens. When the pump pressure exceeds thisamount, circulation is established through thedeflecting tool, irre-.
chamber 23. The upper side of the partition 22 is fiat, except for its margins which are rounded materially. An orienting valve 24 rests upon the partition 22. The orienting valve 24 is in the form of a relatively large, heavy ball, the radius of which is substantially equalto the radius of the curved margin of the partition 22. This when the orienting valve .24 fits over the port 26 it substantially closes the same, as shown in Figure 4.
r 22, at the upper, side of which is formed a valve The valve housing 2I is provided with a key pin I5 which fitsin the keywa I, as in the first the position 01' the port with respect to the defie'c'ting tool may be determined;
gport 26 oc-..
The upper end of-the valve housing 2| is covered by a circulating valve 21, similar to the circulating valve I6, having a bore 28 therethrough and a reduced upper end in which is formed a valve face 29. The upper end .of the housing I, in the modifled-construction, receives a back-flow valve shell 30 in place of the adapter head I9. The back- 4 fiowvalve shell 30 is provided with a throat 8| at its lower end in which is secured a valve seat insert 32 adapted to coact with the valve face 28. Above the throat 3| the shell 30 is enlarged to form a shoulder which constitutes a back-flow valve face 33. The back-flow valve seat 33 is divided by an annular distributor channel 34 which is intersected by a plurality of passages 85 leading downwardly therefrom, around the throat 3| and intersecting the lower end'of the shell 30 so as to communicate 'with the channels 3 of the body memvberI.
- The enlarged portion of the valve shell 30 above the back-flow valve face receives a back-flow valve in the form of a short cylinder having an internally flanged lower end, forming a valve element 31 adapted to engage the valve seat 83. The
The construction shown inFigure 4 operates back-flow valve is provided with a central opening additional internal .threads adapted to receive the Y tubing .'r.
2 and 3 in that, as the orienting port 26 is rotated to the lower side of the inclined well bore it moves under and is closed by the orienting valve 24. With this arrangement, continued movement of 5 the tubing string past this position immediately opens the'valve so that the tubing string may be turned first one way; then the other, until the driller is convinced, from the action of the pressure gauge associated with the pumpingsystem,
' ,10 that the port 26 is truly opposite the lower side ofthe well bore. V
Theback-flow valve structure and the entire shell 30 may be employed in conjunction with either of. the orienting valve structures,- that is,
5 the housing 30 may be mounted above the orienting valve housing 5 in place of the adapter head IS. The purpose of the back-flow valve is to .permit ready inflow of the drilling mud, or the like, as the tool is lowered into the well bore. The
back-flow valve, however, closes when the pressure within the tubing string exceeds the hydrostatic pressure of the well bore so that it in no manner interferes with the orienting valve.
Though I have shown and described certain embodiments of my invention, I do not wish to be limited thereto, but desire to include in the scope of my invention the constructions, combinations and arrangements substantially as set forth in the appended claims. Iclaim:
. 1. -The'combination with atubing string and a well tool requiring orientation, of an orienting device comprising: abody member having a valve chamber therein; a valve port intersecting said chamber eccentrically; and a gravity actuated valve member freely movable in said chamber adapted, when 'said body member is inclined and rotatedyto. close and open said valve port, whereby the position of said body member, when said port 40 is closed, may be determined.
2. The combination with a tubing string, a means for introducing a pressure fluid into said tubing string, and a well tool suspended on said tubing string and requiring orientation, of an orienting device comprising: a body member; a
, gravity responsive valve element therein tending,
' when said body member is inclined and rotated, to assume an eccentric position indicative of the lower side of the body member; and a valve port incorporated in said body member adapted to coact withsaid valve element when a predetermined point on the periphery of said body member rotates to the lower side thereof.
3. The combination with a tubing string, a
means for introducing a pressure fluid into said tubing string, and a well tool suspended on said tubing string and requiring orientation, of an orienting device comprising: a tubular body member interposed between said tool and tubing -string; a first valve element incorporated in said body member and rotatable therewith, said first valve element positioned eccentrically with respect to said body member whereby when said body member is inclined and rotated, said first valve element changes its elevation; and a gravity responsive second valve element adapted to coact with said first valve element when said first valve element reaches an extreme elevation to indicate by alteration of fluid-flow through said body member the orientation of said body member and .the tool therebelow.
4. The combination with a tubing string, a means for introducing a pressurefiuidinto said tubing string, and a well tool suspended on said;
tubing string and requiring orientation, of an orienting device comprising: a tubular body member interposed between'said tool and tubing string and having an eccentric valve port oriented with respect to, said tool; and a gravity actuated valve member for, coaction with said port when said body member is rotated, while inclined to alter the fluid-flow in said tubing string, thereby to signal when said valve port bears a predetermined relation with the low side of said inclined body member. a
5. The combination vwith a tubing string and a well tool requiring orientation, of an orienting device comprising; a body member having a valve chamber therein; a valve port intersecting said chambereccentrically; a gravity actuated valve inember freely movable in said chamber adapted, when said body member is inclined and rotated, to close and open said valve port, whereby the position of said body member, when said port is closed, may be determined; and relief valve means operative irrespective of said gravity actuated valve to permit circulation through said body member to said tool.
6. The combination witha tubing string, a means for introducing a pressure fiuidinto said tubing string, and a well tool suspended on said tubing string and requiring orientation, of an orienting device comprising: a tubular body member interposed between said tooland tubing string and having an eccentric valve port oriented with respect to said tool; a gravity actuated valve member for coaction with said port when said body member is rotated, while inclined to alter the fluid-flow in said tubing string, thereby to signal when said valve port bears a predetermined relation with the low side of said inclined body member; and a relief valve operative when pressure of said fiuid exceeds a predetermined value to establish circulation through said body member to said tool, irrespeclower end of which is inclined, in a known disure fluid into said tubing string, of a gravity 0 responsive orienting valve incorporated in said tubing string to alter the flowof pressure fluid when said orienting valve is rotated into a predetermined relationship in azimuth with the in- .clination of said tubing string; and a relief valve responsive to pressures above a predetermined value to establish circulation through said tubing string to said tool, irrespective of said orienting valve.
9. The combination with atubing string, the lower end of which is inclined, in a known direction, a tool suspended therefrom and requiring orienting, and means for introducing pressure fluid into said tubing string, of: a gravity responsive orientingv'alve incorporated in said tubing string to alter the flow of pressure fluid when said orienting valve is rotated into a predetermined relationship in azimuth with the inclination of said tubing string; a relief valve responsive to pressures above a predetermined valve to establish a circulation through said tubing string to said tool, irrespective of said orienting valve; and a bypass valve for permitting flow of fluid into the lower end of said tubing string, irrespective of said orienting valve.
10. A method of orienting well tools, characterized'by: determining the directiom of inclination of a well bore in the region at which deflection is desired; running a deflecting tool and a gravity responsive pressure operated orienting device therein, rotating said tool slowly; noting by changein pressure the position in azimuth of said device and tool; said deflecting tool.
and thereupon operating 11. A method 0: orienting well tools; characterized by: determining the direction of inclina-
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US2435934 *||Jan 29, 1940||Feb 10, 1948||Varney Fred M||Signalling clinograph|
|US2482224 *||Nov 30, 1940||Sep 20, 1949||Robinson Tool Company||Clinometer for well bores|
|US2686660 *||Jun 29, 1951||Aug 17, 1954||Storm Lynn W||Orienting tool for use in well bores|
|US3095924 *||Dec 2, 1960||Jul 2, 1963||Eastman Oil Well Survey Co||Hydraulically actuated orienting device|
|US3313360 *||Jan 11, 1965||Apr 11, 1967||Eastman Oil Well Survey||Hydraulically actuated orienting device|
|US3360057 *||Dec 6, 1965||Dec 26, 1967||Anderson Edwin A||Fluid controlled directional bit and its method of use|
|US3651875 *||Mar 25, 1970||Mar 28, 1972||Western Mining Corp||Orientation device|
|US3974886 *||Feb 27, 1975||Aug 17, 1976||Blake Jr Jack L||Directional drilling tool|
|US4637479 *||May 31, 1985||Jan 20, 1987||Schlumberger Technology Corporation||Methods and apparatus for controlled directional drilling of boreholes|
|US5103919 *||Oct 4, 1990||Apr 14, 1992||Amoco Corporation||Method of determining the rotational orientation of a downhole tool|
|US5259468 *||Oct 3, 1991||Nov 9, 1993||Amoco Corporation||Method of dynamically monitoring the orientation of a curved drilling assembly and apparatus|
|US8474530||Oct 13, 2010||Jul 2, 2013||Halliburton Energy Services, Inc.||Method and apparatus for a high side orienting sub for multi-lateral installations|
|WO2012049449A1 *||Oct 10, 2011||Apr 19, 2012||Halliburton Energy Services Inc.||Method and apparatus for a high side orienting sub for multi-lateral installations|
|U.S. Classification||175/45, 33/307, 175/48, 175/317, 175/61, 175/256|
|International Classification||E21B47/02, E21B47/024|