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CROSS REFERENCE TO RELATED APPLICATIONS 
     This application claims benefit of Provisional application 62/095,264 filed Dec. 22, 2014 
    
    
     STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT 
     Not Applicable 
     BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     This invention relates to milling-drilling section billets and particularly to milling-drilling section billet and anchoring devices. 
     2. Description of the Prior Art 
     Systems have been developed in oil well construction that allow drillers to depart, angularly, from an existing open-hole section of wellbore. One method to do this uses an aluminum cylinder that is connected to an anchoring device. The assembly is carried into the wellbore on drill pipe, tubing or coiled tubing that is connected to a commonly available industry standard hydro-mechanical setting tool, which is connected to the aluminum cylinder and anchoring device with a frangible member. The function of the setting tool is to convert the force supplied by hydraulic pumps, pumping against a closed system within the bore of the carrying pipe, against piston areas within the setting tool that convert this force into mechanical movement/action. 
     The assembly is carried into the wellbore and positioned within the open-hole section of the wellbore. Upon activation of the setting tool, the anchoring device expands some type of retention locking slips along its axis and forces them outwards against an angular cone, which contacts the bore wall and anchors the assembly in place. This mechanical activation of the anchoring device along with the slip configuration geometry causes the assembly to pivot about a point, which then causes the assembly to pivot axially along the wellbore, forcing the top of the aluminum cylinder to cantilever over until it contacts the borehole. Upon contact of the locking slips with the bore wall, the billet is locked against the bore wall and, consequently, no further axial motion is permitted within the aluminum cylinder and anchoring device. This transfers any additional axial loading into the frangible member, which fails upon reaching its maximum load bearing capacity. At the point when fracture occurs, the setting tool separates from the aluminum cylinder and anchoring device. The setting tool is then retrieved to surface, leaving the billet locked in place within the wellbore. The setting too is replaced with a drilling bottom hole assembly to continue the drilling operation. 
     Subsequent drilling bottom hole assemblies are then deployed and using the aluminum cylinder as a hard deflection device (as compared to the softer formation) the drilling bottom hole assembly is deflected onto a new drilling path that is more favorable to the operation and wellbore trajectory requirements. 
     One example of such a device is found in U.S. Pat. No. 6,695,056. 
     BRIEF DESCRIPTION OF THE INVENTION 
     The instant invention is a milling-drilling section billet and anchoring device that is an improvement over current technology. The invention provides a device that incorporates an aluminum milling-drilling section billet and an anchoring device. The design includes additional functions and features not currently available in the billet technology of the prior art: first, the setting tool is connected to the aluminum billet-anchoring device in such a way that no axial loads are transferred to the frangible member until the initiating of the setting sequence, which reduces the incidence of premature initiation of the setting sequence due to borehole conditions or operator error. Second, the slip/anchor design is unique in that it is a single piece construction providing a significant increase in radial anchor reach over other commonly available designs of similar application. Third, the radial energy provided by the axial motion of the setting tool to engage the anchoring mechanism to the bore wall is stored within the tool after setting tool release by the use of both a locking mechanism and spring device. Fourth, the anchor mechanism is designed so that a secondary slip is activated during the setting sequence, which extends radially to a predetermined radius. This secondary slip is positioned within the assembly 180° rotationally offset from the main slip and is axially separated by a predetermined length. The secondary slip acts as both an anchoring section as well as creating a pivot point axially along the billet-anchor assembly. As the radially extending motion of the main slip makes contact with the bore wall it creates an axial pivoting motion, which forces the billet-anchor to rotate around the fulcrum of the secondary slip. This cam action forces the upper section of the billet to be pushed to one side of the borehole while the anchoring section is moved 180° in the opposite direction. This action both further supports the billet-anchor assembly within the borehole as well as radially fills the empty spaces within the borehole when viewed from a top down perspective. 
     Fifth, the setting tool is uniquely rotationally locked to the billet/anchor allowing the entire setting assembly to be rotated within the borehole to position the anchor section, when viewed from a top down perspective, at the optimum rotational angle for maximum setting efficiency. 
     To that end, the assembly is segregated into three main functional components: a setting tool connector system, an aluminum billet, and an anchoring section. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of the new billet system. 
         FIG. 2  is a perspective cut-away view of the new billet system. 
         FIG. 3  is an enlarged detail of the setting tool adapter kit portion of the system. 
         FIG. 4  is an enlarged cut-away view of the setting tool adapter kit portion of the system. 
         FIG. 5  is an enlarged detail view of a portion of the anchoring section of the billet system. 
         FIG. 6  is an enlarged detail view of a portion of the anchoring section of the billet system showing both the upper and lower slips expanded. 
         FIG. 7  is an enlarged detail cut-away view of a portion of the anchoring section of the billet system showing a lower slip expanded. 
         FIG. 8  is an enlarged detail cut-away view of a larger portion of the anchoring section of the billet system showing a second embodiment of the upper and lower slips expanded. 
         FIG. 9  is a detail view showing the tool as set in a wellbore with the setting tool section removed and the slips expanded. 
         FIG. 10  is an enlarged detail view of the lower portion device, labeled 10 on  FIG. 9 , as set in a wellbore, with the slips expanded. 
         FIG. 11  is a detail of the top portion of the device, labeled 11 on  FIG. 9  with the setting tool section removed and the slips in place. This view shows the offset of the device in the wellbore. 
         FIG. 12  is an enlarged cutaway view of the setting tool portion showing the central rod removed and the locking clips collapsed. In this view, the setting tool portion is ready to be removed from the device. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     Below is a list of the components (sorted by reference numeral) of this system:
           1 . Adapter Sleeve     2 . Lock Collar     3 . Torque Collar     4 . Aluminum Billet     5 . Lock Dog     6 . Adapter     7 . Setting Rod     8 . Anchor Mandrel     9 . Lower Slip     10 . Upper Cone     11 . Spring Sleeve     12 . Bottom Sub     13 . Drive Ring     14 . Upper Slip     15 . Spring     16 . Crosslink Key     17 . Crosslink Mandrel     18 . Hex Socket Set Screw     19 . Lock Mandrel     20 . Shear Ring     21 . Body Lock Ring Housing     22 . Body Lock Ring     23 . Lock Nut     24 . Shear Rod     25 . Hex Socket Set Screw     26 . Shear Screw       

     The assembly is segregated into three main functional components: 
     1) the setting tool connector kit (items—1,2,3,5,6 &amp; 7); 
     2) the aluminum billet (item 4); and 
     3) the anchoring section (items—8,9,10,11,12,13,14,15,16,17,18,19,20,21,22 &amp; 23). 
     The setting tool connector kit is connected to a commonly available industry standard hydro-mechanical setting tool (not shown). 
     Referring now to the drawing figures, the invention is assembled as follows: 
     Referring now to  FIGS. 1-4  and particularly  FIG. 4 , a lock collar  2  and torque collar  3  are threaded onto an adapter sleeve  1  using threads K and L. A lock dog  5  is installed into retaining pockets of the adapter sleeve  1 . Next, an adapter  6  and setting rod  7  are connected together using the threads G. Note that threaded member F of the adapter  6  is connected to the corresponding threaded member of the setting tool (not shown). Next, the subassembly of components of items 1,2,3,4 and 5 are slid over items 6 and 7. The entire assembly is then placed into the aluminum billet  4  as shown. Note that thread E of the adapter sleeve  1  is used to thread the device onto the corresponding threads of the setting tool (not shown). In making up this assembly, the torque collar  3  ( FIG. 3 ) is adjusted by rotation against the thread L ( FIG. 4 ) until it is in contact with the face of the aluminum billet  4 , orientating the torque tangs A ( FIG. 3 ) until meshed together as shown. The torque collar  3  is then additionally rotated until no further rotation can be achieved. This indicates that contact point A has reached contact point B ( FIG. 4 ), which locks the assembly into the recessed pocket D ( FIG. 4 ) within the aluminum billet  4 . Next, the lock collar  2  is threaded onto the assembly using thread K until contact with the face of the torque collar  3  is made, which locks the lock collar  2  and the torque collar  3  in place. Note that the elements of reference numerals 1,2,3,5,6 &amp; 7 are considered to be a means for disengaging said setting tool assembly from said billet. 
     Referring now to  FIGS. 5-8 , and especially,  FIG. 8 , details of the assembly at the anchor end of the device are shown. To assemble this portion, a shear ring retainer  23  is slid onto the opposite end of the setting rod  7 , which has already been installed in the billet  4 . Next, a shear ring  20  is installed into a recess of the setting rod  7 . Next, a lock nut  23  and a lock mandrel  19  are threaded together using threads H. 
     Again referring to  FIG. 8 , the upper slip  14  is installed into the recess of the anchor mandrel  8  and then they are slid over a lock mandrel  19 , which aligns the milled flats M with the flat face of the upper slip  14 . Next, the anchor mandrel  8  is threaded to the aluminum billet  4  using thread J. Next, the lower slip  9  is slid onto the anchor mandrel  8  using the T-Slot N, after which a shear rod  24  is installed. Next, an upper cone  10 , a drive ring  13  and a spring  15  are slid onto the anchor mandrel  8 . 
     Then the crosslink mandrel  17  is installed into the bore of the anchor mandrel  8  and then threaded to the lock mandrel  19  using thread P, until the slots on the anchor mandrel  8 , drive ring  13  and the crosslink mandrel  17  are aligned at point Q. Next, a crosslink key  16  is installed through the anchor mandrel  8 , drive ring  13  and the crosslink mandrel  17  at Q, which retains the components in the anchor mandrel  8 . Next, a hex socket setscrew  18  is installed in the lock mandrel  19  through a slot on the anchor mandrel  8 , as shown. Next, the spring sleeve  11  is slid over the drive ring  13  and the spring  15 . Next, a bottom sub  12  is threaded to the anchor mandrel  8  using thread S. Then a hex socket setscrew  25  is installed in the bottom sub  12 . Finally, a shear screw  26  is installed through the anchor mandrel  8  into the upper slip  14 , which holds the upper slip  14  in place. 
       FIG. 9  is a detail view showing the tool as set in a wellbore  100  with the setting tool section  1 , 2 , 3 , 5 , 6  and  7  removed and the slips  9  and  14  expanded. Note that the wellbore  100  is not cased, but bare rock.  FIG. 10  is an enlarged detail view of the lower portion device, labeled 10 on  FIG. 9 , as set in a wellbore, with the slips  9  and  14  expanded.  FIG. 11  is a detail of the top portion of the device, labeled 11 on  FIG. 9  with the setting tool section  1 , 2 , 3 , 5 , 6  and  7  removed and the slips (not shown) in place. This view shows the offset of the device in the wellbore. Note how the tool is shown closer to one wall than the other. The bigger gap S 1  compared with the smaller gap S 2  shows this offset. It is this slight offset that allows for the drilling head to be directed outward from the wellbore in a new direction. 
       FIG. 12  is an enlarged cutaway view of the setting tool portion showing the central rod removed and the lock dogs collapsed. In this view, the adapter sleeve  1 , the lock collar  2 , the torque collar  3 , the aluminum billet  4 , and the lock dogs  5  are shown. As discussed below, once the rod  7  and the adapter  6  are removed from the device, items 1, 2 and 3, are released from the tool and can be pulled out and upwards from the tool. In this way, the setting tool can be removed from the wellbore with the tool locked in place. 
     Tool Function 
     The assembled tool is ran into the wellbore and positioned at a desired setting depth. The anchor assembly is orientated to position the slip  9  vertically in relation to the wellbore either in the straight up or straight down position. (Straight up is shown within the drawings). Rotation is achieved using the torsion-locked connection between the setting tool and tangs A on the adapter kit through the assembly using the aluminum billet  4  of the anchor assembly. On activation of the hydro/mechanical setting tool, the setting tool creates a push on the adapter sleeve  1  and a pull on the adapter  6 . The axial motion of the setting tool forces the setting rod components of the adapter, including the setting rod  7 , the lock nut  23 , the shear ring  20 , the lock mandrel  19 , the crosslink mandrel  18 , and the crosslink key  16 , to pull up relative to the static outer assembly components. This action causes a series of mechanical operations within the assembly. First, the movement of the adapter  6  and the setting rod  7 , relative to the lock dogs  5  is such that the adapter  6  no longer supports the lock dogs  5  at C that allows the lock dogs  5  to move radially inwards, which unlocks the upper setting adapter setting sleeve  1 , the lock collar  2 , and the torque collar  3  from the aluminum billet  4 . Thus, the movement of the adapter  6  and the setting rod  7  constitutes a means of disengaging said lock dogs from a first, locked, position to a second, unlocked position. Simultaneously, the spring  15  begins to compress as the drive ring  13  moves axially through the connection with the cross-ink mandrel  17  by the crosslink key  16 . Continued movement causes the fracture of the shear rod  24 , which unlocks the slip  9  and forces the slip  9  to move both axially and radially within the T-slot N. Note that these components can be considered as a means for moving said upper and lower slips from said first position to said second position. Simultaneously, the lock mandrel  19  moves axially against the body lock ring  22  while the upper slip  14  is pushed radially out against taper U, which causes the fracture of the shear screw  26 , which further causes the subsequent outward free movement of the upper slip  14  until it mates with the flat portion on the lock mandrel  19  at M. Continued movement of the adapter  6 , the setting rod  7 , the lock nut  23 , the shear ring  20 , the lock mandrel  19 , the crosslink mandrel  18 , and the crosslink key  16 , causes the further movement of the lower slip  9  axially and radially out until contact with the wellbore is attained. Note these components can be considered as a means for locking said upper and lower slips in the expanded position. This movement prevents further axial displacement of the adapter  6 , the setting rod  7 , the lock nut  23 , the shear ring  20 , the lock mandrel  19 , the crosslink mandrel  18 , and the crosslink key  16 . The continued axial movement of the setting tool transfers the axial loading into the shear ring  20 , which is retained by the lock nut  23  at face V. Upon reaching the fracture gradient of the shear ring  20 , the shear ring  20  will fail, causing the adapter  6 , and the setting rod  7  to move freely axially. This action allows the setting adapter assembly of the setting sleeve  1 , the lock collar  2 , the torque collar  3 , the adapter  6 , and the setting rod  7 , along with the hydro/mechanical setting tool, to be removed from within the bore of the aluminum billet  4  while simultaneously, the lock mandrel  19  is prevented from returning to its original position by the body lock ring  22  within body lock ring housing  21 . This action also prevents the spring  11  from returning to a relaxed position, which maintains a constant force on the lower slip  9  and the upper cone  10 . 
     The now-freed setting adapter can be returned to surface. 
     Subsequent drilling of bottom hole assemblies are then deployed and, as before, using the aluminum cylinder as a hard deflection device (in comparison to the softer formation) the drilling bottom hole assembly is deflected onto a new drilling path that is more favorable to the operation and wellbore trajectory requirements. 
     The design is unique to the application in several ways. 
     The setting tool is connected to the aluminum billet-anchoring device in such a way that no axial loads are transferred to the frangible member until the initiating of the setting sequence, which reduces the incidence of premature initiation of the setting sequence due to borehole conditions or operator error. 
     The slip/anchor design is unique in that it is a single piece construction providing a significant increase in radial anchor reach over other commonly available designs of similar application. 
     The radial energy provided by the axial motion of the setting tool to engage the anchoring mechanism to the bore wall is stored within the tool after setting tool release by the use of both a locking mechanism and spring device. 
     The anchor mechanism is designed in such a way that a secondary slip is activated during the setting sequence, which extends radially to a predetermined radius. This secondary slip is position within the assembly 180° rotationally offset from the main slip and is axially separated by a predetermined length. The secondary slip acts as both an anchoring section as well as creating a pivot point axially along the billet-anchor assembly. As the radially extending motion of the main slip makes contact with the bore wall it creates an axial pivoting motion, which forces the billet-anchor to rotate around the fulcrum of the secondary slip. This cam action forces the upper section of the billet to be pushed to one side of the borehole while the anchoring section is moved 180° in the opposite direction. This action both further supports the billet-anchor assembly within the borehole as well as radially fills the empty spaces within the borehole when viewed from a top down perspective. 
     The setting tool is uniquely rotationally locked to the billet/anchor allowing the entire setting assembly to be rotated within the borehole to position the anchor section, when viewed from a top down perspective, at the optimum rotational angle for maximum setting efficiency. 
     The present disclosure should not be construed in any limited sense other than that limited by the scope of the claims having regard to the teachings herein and the prior art being apparent with the preferred form of the invention disclosed herein and which reveals details of structure of a preferred form necessary for a better understanding of the invention and may be subject to change by skilled persons within the scope of the invention without departing from the concept thereof.

Summary:
A milling-drilling section billet and anchoring device that is an improvement over current technology. The invention provides a device that incorporates an aluminum milling-drilling section billet and an anchoring device. The assembly is segregated into three main functional components: a setting tool connector system, an aluminum billet, and an anchoring section. The anchoring section has two slips, offset laterally and positioned 180 degrees apart on the device. When deployed, the slips lock the device in the formation and produce an offset of the billet within the formation. This angular positioning allows a milling head to be moved in a new direction from the existing well formation. Once the device is properly positioned in the wellbore, a frangible member breaks to allow removal of the setting tool prior to the renewed drilling operation.